Answer: Cone. Question 7. 3. The brown coloured NO2 dissolves in HNO3 to give it a yellow colour. HNO3. Answer: With very dilute nitric acid. NaHSO4 + HNO3, Question 3. Name the gas evolved when acidified iron (II) sulphate reacts with dilute nitric acid in the brown ring test. Write a balanced equation for the reaction of cone. Give equations for the action of heat on – (1) NH4Cl (2) NH4NO3. Cu (s) + H 2 SO 4 (aq) ——> no reaction. Question 2. It oxidises the H 2 produced to water and itself gets reduced to any of the nitrogen oxides (N 2 O, NO, NO 2). Name three chemical products manufactured from nitric acid. Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal. Acid + Metal Word Equations Chemistry Tutorial Key Concepts. Answer: At once reddish brown fumes of nitrogen dioxide gas are evolved. It should Question 3. Nitric acid is not manufactured from atmospheric nitrogen. Give examples, alongwith equations to illustrate the reaction of the add. Fe (OH)3 + 3HNO3→ Fe (NO3)3 + 3H2O. State what is observed when nitric acid is kept in a reagent bottle for a long time. This is due to the formation of a thin oxide coating on the surface of the metal which prevents further action. HNO 3 acid dissociate completely in the water and release hydronium ion (H 3 O +) in the water to form strong acid … Experiment 2A – Reaction of Acid and Base. Question 18. Therefore, all glass apparatus should be used for the preparation of nitric acid in the laboratory. Answer: Metals, lying above hydrogen in the electro chemical series, give hydrogen from the acid. Sodium nitrate reacts with — (concentrated / dilute) sulphuric acid to produce nitric acid. Answer: [NO–] Nitrate, Question 2. Question 14. (1) Dissociation (2) decomposition Answer: Question 2. In this article, we have given step by step procedure to perform an experiment which will help you understand the different properties of acids.Read the article carefully to understand the aim, apparatus, procedure and the reactions taking place during the experiment. During the process, nitric acid itself gets reduced to various products (NO, NO2, N2O, NH3, etc.) According to Divers, nitrous acid is not produced in appreciable amounts, because further reduction occurs which is due to the action of nascent hydrogen: Rewrite the correct statement with the missing word/s: Magnesium reacts with nitric acid to liberate hydrogen gas. Zn(NO3)2 3. S + 6 HNO 3 → H 2 SO 4 + 2H 2 O + 6NO 2 (b) Nitric acid showing acidic character: K 2 O + 2HNO 3 → 2KNO 3 + H 2 O. ZnO + 2HNO 3 → Zn(NO 3) 2 + H 2 O (c) Nitric acid acting as oxidizing agent. Nitric acid act as solvent for large number of metals. Question 3. Question 12. This is because at higher temperatures, HNO3 decomposes to give NO2. 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If the conditions are right, just about any metal will burn. The complete apparatus in the laboratory preparation does not contain parts made of rubber or cork. Question 1. 5. Nonetheless, magnesium and manganese are the main two metals, which react with cold and extremely dilute (1%) nitric acid to liberate hydrogen. Write equation for the same. Equation 3 2Fe 2 (SO 4 ) 3 + 2H 2 + 4NO → 4[Fe(H 2 O)5NO]SO 4 + 2H 2 SO 4 The [Fe(H 2 O) 5 NO]SO 4 forms a brown ring in the middle of the solution produced by the reaction, making it easy to identify the presence of nitrates in the water. Give reasons for the following: Question 6. Metals and Non-metals Class 10 MCQs Questions with Answers. Impurities like Cu, Ag, Zn, etc. Choose the correct answer from the choices given – The brown ring test is used for detection of: (A) C02–3 (B) NO-3 (c) SO23– (D) cl-. The reduction product depends on the dilution of the acid. (b) A freshly prepared ferrous sulphate solution is used because on exposure to the atmosphere, it is oxidized to ferric sulphate which will not give the brown ring. Answer: Platinum. In redox reactions of metals with acid, the acid concentration and temperature change. Answer: Question 5. Copper and Nitric Acid . Answer: Nitric acid is highly corrossive and a strong oxidising agent. Answer: (1) X = Copper nitrate [Cu(NO3)2] Y = Nitrogen gas (NO2) (2) (3) Cu(NO3)2 + H2S → CuS ↓+ 2HNO3, Question 1. Question 6 … Question 5. What compounds are required for the laboratory preparation of nitric acid. Answer: Nitric acid oxidises iron(II) sulphate to iron (III) sulphate with the liberation of nitric oxide gas. HN03 when added to copper turnings kept in a beaker. Nitric acid is heated the products formed are Carbon dioxide, Nitrogen dioxide and water. The oxidised product obtained on reaction of H. Aqua regia is a mixture of one part of…………… and three parts of……… (cone, hydrochloric acid/conc. Magnesium, manganese, and zinc liberate H 2 : Mg + 2 HNO 3 → Mg (NO 3) 2 + H 2 (Magnesium nitrate) That is why dilute nitric acid is considered a typical acid for its reaction with metals. ICSE SolutionsSelina ICSE SolutionsML Aggarwal Solutions, Viraf J Dalal Chemistry Class 10 Solutions and Answers, Simplified ChemistryEnglishMathsPhysicsChemistryBiology, Question 1. Answer: The oxidising property of nitric acid is based on the fact that when nitric acid undergoes decomposition, it yields nascent oxygen, which is very reactive. Give balanced equations for the following: (1) Laboratory preparation of nitric acid. Reaction of zinc with dil. Answer: Step I Step II Step III  4NO2 + 2H2O → 4HNO3. Nitric acid reacts with most metals, but the details depend on the concentration of the acid and the nature of the metal. Nitric acid being a strong oxidising agent decomposes to give nascent oxygen, which being very reactive, oxidises organic compounds to carbon dioxide and water. Action of cold and dilute nitric acid on copper. Share Tweet Send [Deposit Photos] Cop­per is one of the old­est known met­als, which has been used by peo­ple from an­cient times. (b) Copper when reacts with dilute HNO3 forms Copper nitrate, Nitric oxide and water. Question 3. (b) Nitric acid showing acidic character: (c) Nitric acid acting as oxidizing agent. The reaction temperature is maintained below 200°C Answer: The reaction temperature is maintained below 200°C. Give a reason why the brown ring does not settle down at the bottom of the test tube. Hence, during the reaction between a metal and nitric acid, hydrogen gas is not formed. In the laboratory preparation of nitric acid from – KNO3 or NaNO3 State. Zn + 2HCl(dil.) Answer: Formation of a hard residual crust of the corresponding sulphate [Na2SO4 or K2SO4] which being a -poor conductor of heat, sticks to the glass and cannot be easily removed from the apparatus. 288 Views. Cold, dil. Passivity can be removed by rubbing the surface layer with the sand paper or by treating with strong reducing agent. Related Questions to study. Answer: Brown ring test: Procedure – Take a solution of – a nitrate or dilute nitric acid in a test tube. Acidified iron (II) sulphate (with dil. A: Nitrogen dioxide only B: Nitric oxide only C: Hydrogen D: Nitrogen dioxide and oxygen E: Nitrogen dioxide and carbon dioxide. Answer: Metals low in activity series can be obtained by reducing their sulphides or oxides by heating. Control the temperature carefully at nearly 200 °C. Answer: Iron forms coating of its oxide and nitrate which stops further reaction. Question 1. In the laboratory preparation of nitric acid, an all glass apparatus is used. A non-metal which reacts with concentrated nitric acid to form its own acid as one of the product. If the HNO3 is concentrated the gas produced is a mixture of oxides of nitrogen, because concentrated nitric acid is a powerful oxidizing agent and can oxidize free hydrogen to water. Question 5. (b) Nitric acid undergoes decomposition as follows: ICSE Rankers is a free educational platform for icse k-12 students. Identify the acid — The acid which is prepared by cata­lytic oxidation of ammonia. Nitric acid does not liberate hydrogen. When hot cone. Saw dust is organic in nature. Question 4. Write the equation for the same. dilute nitric acid is generally considered a typical acid but not so in its reaction with metals. Give balanced equations for: Oxidation of carbon with concentrated nitric acid. Reaction of zinc with dilute nitric acid gives _____ gas. In particular dilute nitric acid (< 0.5 M) does produce hydrogen with moderately reactive metals such as magnesium and zinc, even though reactions are different at higher concentrations, and with other metals. State the colour of (1) pure nitric acid (2) nitric acid obtained in the laboratory (3) nitric acid obtained in the laboratory after passage of air or addition of water to it. A mnemonic device has been designed for writing reactions of metals with nitric acid. Write a balanced equation for – Ferric hydroxide reacts with nitric acid. Question 2. COVID-19 is an emerging, rapidly evolving situation. State the type of reaction involved. Understand concepts from this chapter such as aqua regia, passive iron, aqua fortis, nitrogen fixation etc. Answer: Nitrogen dioxide. ; Reactions between acids and the most reactive metals will result in vigorous fizzing as hydrogen gas is rapidly produced. Ans. Nitric acid prepared in the laboratory is yellow in colour due to the dissolution of. 5H2O, KNO3, NaCl, NaHSO,, Pb(NO3)2, ZnCO3, ZnSO4.7H2O. Name the gas produced when copper reacts with concentrated nitric acid. HNO3 when added to copper turnings kept in a beaker. Choose the correct word from the brackets to complete the sentence. Output refers to the product of the process not the intermediate steps. Give an equation for reaction of cone. Solution 6: (a) When carbon and conc. Answer: Sodium nitrate reacts with concentrated sulphuric acid to produce nitric acid. nitric acid reacts with copper to form________(Hydrogen, nitrogen dioxide, nitric oxide). Focus on Nitric Acid is the Most important Chapter in ICSE Class 10 Chemistry. Thus, it cannot be concentrated by boiling. The first step in the manufacture of HNO3 is the catalytic oxidation of NH3. Get … Question 3. Since a chemical reaction between an acid and a metal will produce hydrogen gas, this can be used to determine whether a particular metal has reacted with an acid or not. It is used to create an inert atmosphere for welding and for carrying certain chemical reactions. Question 1. The non metal is Sulphur which reacts with concentrated nitric acid to form its own acid as one of the product. S + 6HNO3 → H2SO4 + 2H2O + 6NO2, Question 1. Question 1. Question 2. All the solutions of - Chemistry explained in detail by experts to help students prepare for their Maharashtra exams. Thus, if the temperature is allowed to go beyond 200°C, the product (HNO3) obtained is not pure (colourless). (2) State why the temperature of the reaction mixture of HNO3 is not allowed to rise above 200°C. e) Reaction with Metallic Sulphites. The precautions to be taken during the preparation. The characteristics of copper, and the reaction of the metal with nitric acid Stable metal Vs. Strong oxidizer. Answer: All glass apparatus is used in the laboratory preparation of nitric acid. (1) The reaction between a metal and an acid can be represented by the general word equation shown below: acid + metal → salt + hydrogen gas In general an acid reacts with a metal to produce a salt and hydrogen gas. Oxygen produced relits a glowing splinter. Excess of air carries the reactions in forward direction as oxygen is needed in all the three reactions, leading to the formation of nitric acid. Reaction of carbon with cone, nitric acid. nitric acid. Cu + 4HNO3 (cone.) The device utilizes a left hand and schematically indicates the product of reduction of nitric acid as a function of two factors: the activity of metal and the concentration of acid. (c) Zinc reacts with nitric acid to form Zinc nitrate, nitric oxide and water. Reaction of manganese with cold very dil. During lightning discharge, nitrogen in the atmosphere reacts with oxygen to form nitric oxide and further to nitrogen dioxide. (b) Nitric acid is kept in reagent bottle because nitric acid is a highly fuming liquid; it spreads in air and is highly corrosive. Question 19. Solution 1 (2007). Question 1. X, Y and Z are three crystalline solids which are soluble in water and have a common anion. acid formed. Answer: Question 2. Answer: Cold, dilute nitric acid reacts with copper to form nitric oxide. Question 2. The gas produced by the action of dilute nitric acid on copper. It does, if the nitric acid is dilute. When it is left standing in a glass bottle, concentrated nitric add appears yellow. However, the reaction usually is performed by reacting iron oxide with aluminum: Fe 2 O 3 + 2Al → 2Fe + Al 2 O 3 + heat and light If you want a truly stunning display, try placing the mixture inside a block of dry ice and then lighting the mixture. Dilute nitric acid is generally considered a typical acid except for its reaction with metals. Potassium nitrate prepared from KOH and nitric acid. Solution 1 (2008). Acid + Metal Oxide ⇨ Salt + Water Nitric acid finds application in the purification of gold. Answer: Zinc displace hydrogen from dil. When a metal react with dilute nitric acid,then hydrogen gas is not evolved.Nitric acid is a strong oxidising agent.As soon as hydrogen gas is formed in reaction between metal and dilute nitric acid,the nitric acid oxidises this hydrogen to water.Nitric acid itself is reduced to nitrogen oxides such as nitrogen monoxide,dinitrogen monoxide. Answer: The greenish blue crystals of copper nitrate will change to black residue of copper oxide and give reddish brown gas i.e., nitrogen dioxide on heating. Hope given New Simplified Chemistry Class 10 ICSE Solutions Nitric Acids helpful to you. Write the balanced chemical equation for –. For refinning of noble metals like gold, platinum etc. Answer: Question 1. Write the equation for the reaction in which copper is oxidized by concentrated nitric acid. HNO3 decomposes by the action of sunlight to give brown coloured NO2 The brown coloured NO2 dissolves in cone. D. N 2 O and NO 2. Table of Contents. Answer: S + 6HNO3 → H2SO4 + 2H2O + 6NO2. Solution 3 (2006). Question 3. (2) Action of heat on a mixture of copper and concentrated nitric acid. Question 4. Kinetics of metal reaction in nitric acid, and maybe the possibility of formation of different reaction gaseous products (N 2 O, N 2, NO, NO 2,NH 3, 2 and H 2, 3) are also influenced by the shape of metal; for example, a piece of thin wire or powder. Unlike other dilute acids only very dilute nitric acid (1%) reacts exclusively with Magnesium or … Identify the following substances: a dilute acid B which does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Answer: Pb(NO3)2. 4. asked Jan 28, 2019 in Class X Science by priya12 (-12,630 points) The reaction of nitric acid with metals depends upon the concentration of the acid. Choose from the list substances – Acetylence gas, aqua fortis, coke, brass, barium chloride, bronze, platinum. 2HNO3 (cone.) Select the correct word from the list in bracket to complete each statement. Identify the gas evolved when: Question 2. Answer: Question 1. Answer: Potassium nitrate and cone, sulphuric acid. From the list of the following salts — AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2 State the salt which on heating, evolves a brown coloured gas. concentrated hydrochloric acid is not used as a reactant in the laboratory preparation. State why nitric acid is a strong oxidising agent and yields varying products such as NO, NO2 on reaction with metals,non-metals etc. Answer: Question 3. Answer: Cu + 4HNO3 → Cu(NO3)2 + 2H2O + 2NO2, Question 4. Question 2. H2SO4 2. Question 13. What is the property of nitric acid which allows it to react with copper ? Give reasons for the following: Iron is rendered passive with fuming nitric acid. What do you see when concentrated nitric acid is added to copper. Answer: Pure or fuming nitric acid renders metals like iron (Fe) and Al- passive i. e., inactive. A mineral acid obtained from cone, nitric acid on reaction with a non-metal is……….. (hydrochloric acid / sulphuric acid / carbonic acid). It turns yellow because cone. Concentrated nitric acid vapours – condense and are collected in the water-cooled receiver. The compound which is responsible for the brown ring in the brown ring test for identify the nitrate ion. Silver is oxidized to +1 oxidation state. Silver reacts with nitric acid to give silver nitrate (AgNO 3), NO 2 and H 2 O. Answer: Metals, lying above hydrogen in the electro chemical series, give hydrogen from the acid. If you have any doubts, please comment below. Pure cone, nitric acid or fuming nitric acid renders the metal…………. 6FeSO4 +3H2SO4 + 2HNO3 (dil. ) Also, learn the properties of nitric acid … }. In the laboratory preparation of nitric acid: Name the reactants A (a liquid) and B (a solid) used. Explain why only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate. D : S + 6HNO3→ H2SO4 + 2H2O + 6NO2 E : 3SO2 + 2H2O + 2HNO3 → 3H2SO4 + 2NO, Question 4. HNO 3 acid dissociate completely in the water and release hydronium ion (H 3 O +) in the water to form strong acid … (a) Reaction of nitric acid with non-metals: C + 4HNO 3 → CO 2 + 2H 2 O + 4 NO 2. Question 2. Answer: CuCO3 + 2HNO3→ Cu (NO3)2 + H2O + CO2. 202 Qs. The reaction mixture is not heated beyond 200 °C because at higher temperature: Sulphur is treated with concentrated nitric acid. State one appropriate observation for — When crystals of copper nitrate are heated in a test tube. State your observation when copper is heated with concentrated nitric acid in a hard glass test tube. HNO3. Question 5. Question 1. Solutions for Class 9 Chemistry Maharashtra, 10 Nitric Acid. State how you would obtain (1) Hydrogen (2) Nitric oxide (3) Nascent chlorine – from nitric acid. Write the equation for the reaction of dilute nitric acid with copper. Class 10 Class 12. HNO3, to give it a yellow colour. Nitric acid obtained in laboratory is pale yellow in colour. Write an equation to show how nitric acid undergoes decomposition. It oxidises the hydrogen gas to form water. Acid Base Reaction with Metal - Experiment: Class 10 Science (zinc/copper/iron) passive or inactive. It is due to the following reasons: Question 4(2). Silver reacts with nitric acid to give silver nitrate (AgNO 3), NO 2 and H 2 O. The method of identification of the product i.e. → H2O + 2NO + 3[O] This nascent oxygen oxidises metals, non-metals, organic and inorganic compounds. State why hydrogen is liberated when zinc reacts with dil.HCl but not with dil. Answer: Question 2. Answer: The complete apparatus is made of glass only – since the vapours of nitric acid being highly corrosive and attack rubber, cork, etc. Ans. It attacks rubber and wooden corks. (d) The temperature of the mixture of concentrated sulphuric acid and sodium nitrate should not exceed 200°C because sodium sulphate formed at higher temperature forms a hard crust which sticks to the walls of the retort and is difficult to remove. Answer. When metal reacts with nitric acid (HNO 3), ... Identify the metal and its ore and give the reaction involved. Ans: Nitric acid is strong oxidizing agent thus it can oxidize the hydrogen gas liberated in the reaction into water. To help you to identify X, Y and Z, you are provided with the following experimental observations. When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate, what is the special feature of the apparatus used. Answer: (1) (2) Sodium Nitrate + Sulphuric acid (conc.) Which of the two solutions – iron (II) sulphate or cone, sulphuric acid, do ‘X’ and ‘Z’ represent. Answer: Cu + 4HNO3 → Cu(NO3)2 + 2H2O + 2NO2  ↑, Question 2. H2SO4. depending upon the concentration of the acid, reaction temperature and activity of the metal with which it is reacting. Action of heat on a mixture of copper and concentrated nitric acid. State the change in colour of pure concentrated nitric acid on initial and prolonged decomposition. This salt gives nitrogen dioxide on heating. Solution 2 (2006). 10HNO 3 … Answer: Question 4. Answer: Hot and cone, nitric acid will oxidises sulphur directly to sulphuric acid. At high temperatures the sodium sulphate or phtassium sulphate formed, forms a crust and sticks to the glass apparatus. → Cu (NO3)2 + 2H2O+ 2NO2, Question 4. Question 2. Question 4. Question 3. State how addition of nitric acid to acidified FeSO, serves as a test for the former. Answer: Nitric oxide (NO). More Resources for Selina Concise Class 10 ICSE Solutions The nitrogen dioxide dissolves in atmospheric moisture forming nitric acid. Fill in the blanks using the appropriate words given in the bracket below: (sulphur dioxide, nitrogen dioxide, nitric oxide, sulphuric acid), Question 1. Question 2. Write a balanced equation for the reaction of cone. State the cone, acid which will oxidise sulphur directly to H2SO4. Reaction of Acid and Base Reaction of Base with a Metal. Nitric acid, (HNO 3), is a colourless, fuming, and highly corrosive acid … Question 4. Answer: (A) Cone, sulphuric acid (B) Potassium nitrate (Nitre). 1. Copper metal reacts with nitric acid according to the reaction 3Cu + 8HNO 3 ----> 3Cu(NO3 )2 + 2NO + 4H2O If 18.75 g Cu(NO3 )2 is eventually obtained, then how many grams of nitric oxide (NO) would have also formed according to the preceeding equation. Dilute nitric acid behaves as a typical acid in its reaction with most metals. 2. Silver is oxidized to +1 oxidation state. (c) Conc. Question 5. Name the gas evolved (formula is not acceptable). The NO2 so produced dissolves in cone. ), Fertilizers (Ammonium nitrate, calcium ammonium nitrate or C.A.N.). You can refer to NCERT Solutions for Class 10 Science Chapter 3 Metals and Non-metals to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. Question 5. Answer: Copper Nitrate. Write the equation for the lab. The vapours obtained in the receiver on heating alone or with copper turnings evolve – reddish brown fumes of nitrogen dioxide which turns acidified ferrous sulphate solution brown – proving that the vapours are of nitric acid. With cold, ... IIT Foundation & Olympiad Class 10 Chemistry Chapter 8 & 9. Answer: Copper reacts with concentrated nitric acid to produce nitrogen dioxide. State the cation responsible for turning moist neutral litmus red on reaction with dil. Answer: C + 4HNO3 → 2H2O + 4NO2 + CO2. State why the unstable brown ring decomposes completely on disturbing. Question 10. Answer: Concentrated nitric acid (HNO3). Question 4. State which reaction of ammonia forms the first step of Ostwald’s process. In this reaction, salt and water are formed. State why a yellow colour that appears in concentrated  nitric acid when it is left standing in an ordinary glass bottle. Brown coloured pungent smelling gas – nitrogen dioxide (NO. Write the equations for the following reaction : Between copper and concentrated nitric acid. Give a word equation and balanced molecular equation for the laboratory preparation of nitric acid from (1) KN03 (2) NaNO3. Use all glass apparatus with no wooden or rubber cork. FeSO4 + NO → FeSO4.NO. Nitrogen dioxide gas redissolves in the nitric acid and imparts it yellow colour. Nitric acid and silver metal reaction. Reaction with metals: To give nitrates and nascent hydrogen: M + HNO 3 ---> metal nitrates + [H] + This nascent hydrogen can bring about reduction of substance: Example: Please note certain metals like chromium, aluminium do not dissolve in nitric acid due to formation of passive layer of oxide film on it which prevents further reaction. Answer: Neutralization reaction. Give balanced equations for the following conversions A to E. Answer: 1. Answer: Reddish brown gas is liberated residue is yellow when hot and white when cold. Nitric acid affects the skin if it accidently falls on it, staining the skin yellow. Nitric acid is a powerful oxidising agent and hence corrodes rubber or any other stoppers to avoid corrosion, we use all glass apparatus. Ans. Therefore, nitric acid stains skin and renders wool yellow. Convert nitric acid to sulphuric acid using a non-metal. Question 2. Answer: Question 1. Answer: 3Cu + 8HNO3 → 3Cu(NO3)2 + 4H2O + 2NO. Gradually the copper dissolves in dilute nitric acid to form greenish blue solution of copper (II) oxide. Similarly, phenol reacts with nitric acid in the presence of H2SO4 to give trinitrophenol (known as picric acid). Answer: On heating this salt, a brown-coloured gas is evolved is Ca(NO3)2, Question 1. Nitric acid combines with protein of the skin forming a yellow compound Xanthoproteic acid, stains skin yellow. The common anion is the ion. Question 1. When ammonium nitrate is heated the products formed are nitrous oxide and steam. From the formulae listed below, choose, one, corresponding to the salt having the given description: AgCl, CuCO3, CuSO4. It does, if the nitric acid is dilute. At higher temperature, nitric acid may also decompose. Correct the following statements.Copper reacts with nitric acid to produce nitrogen dioxide. Question 3. (b) Most of the metals do not give hydrogen while reacting with nitric acid because HNO 3 is a strong oxidising agent. Answer: Brown vapours are seen in the reagent bottle and nitric acid turns yellowish in colour. It is because at 68% concentration it forms a constant boiling mixture, i.e., if heated beyond this concentration then proportion of water vapour and nitric acid vapour, leaving the dilute acid does not change. State two conditions which affect the decomposition of nitric acid. Jil Schosseler, Anna Trentmann, Bernd Friedrich, Klaus Hahn, Hermann Wotruba, Kinetic Investigation of Silver Recycling by Leaching from Mechanical Pre-Treated Oxygen-Depolarized Cathodes Containing PTFE and Nickel, Metals, 10.3390/met9020187, 9, 2, (187), (2019). Answer: Cu + 4HNO3 → Cu(NO3)2 + 2NO2 + 2H2O, Question 3. Nitric acid attacks proteins giving a yellow nitro compound known as xantho protein. Cone. Write an equation for the following reaction: Copper and concentrated nitric acid. In Latin, cop­per is known as cuprum, and its atom­ic num­ber is 29. Answer: In the presence of sunlight nitric acid decomposes even at room temperature to give nitrogen dioxide, water and oxygen. A reddish-brown gas is obtained when X, Y and Z are separately warmed with concentrated sulphuric acid and copper turnings added to the mixture. During the reaction it produces Nitrous acid and Zinc nitrate. Access the complete Selina Solutions for ICSE Class 10 Chemistry Chapter 10 Study of Compounds C. Nitric Acid at TopperLearning. Answer: The conditions which affect the decomposition of nitric acid are: Question 11. Answer: Nitrogen dioxide. 05. dissolve in nitric acid. Extra Questions for Class 10 Science Chapter 3 Metals and Non-metals with Answers Solutions. HCl is not used as a reactant in the laboratory preparation of nitric acid. HNO3 with (1) carbon (2) copper. State why pure nitric acid takes on a yellowish brown colour when exposed to light. State a reason for the inactivity of iron and aluminium on reaction with fuming HNO3. d) Reaction with Metals. → Cu (NO3)2 + 2H2O + 2NO2. Answer: Question 15. It should State one observation for the following: Zinc nitrate crystals are strongly heated. State the concentration of nitric acid used in each case. Metal oxides are basic in nature. Special Case of Nitric Acid: Nitric acid does not react with metals in the same way as hydrochloric acid or sulphuric acid do. In particular dilute nitric acid (< 0.5 M) does produce hydrogen with moderately reactive metals such as magnesium and zinc, even though reactions are different at higher concentrations, and with other metals. The p-Block Elements. The second class of metals includes zinc, magnesium, aluminium, cadmium, tin, lead, iron, and the alkali metals, and no nitrous acid is required to start their reaction with nitric acid. State two relevant observations for : Lead nitrate crys­tals are heated in a hard glass test tube. Hno, three chemical products manufactured from nitric acid are corrosive and destroy materials like rubber and cork but with. One appropriate observation for the following reaction: copper reacts with nitric.! Have a common reaction of metal with nitric acid class 10 bracket: Question 1 pungent smelling gas – nitrogen dioxide dissolves cone. Lead nitrate crys­tals are heated in a reagent bottle and nitric acid its... The purification of gold the device copper to form________ ( hydrogen, dioxide. New Simplified Chemistry Class 10 Solutions and Answers, Simplified ChemistryEnglishMathsPhysicsChemistryBiology, Question 4 to! Are required for the following reasons: Question 4 provided with the help of the lesson, should...: between copper and concentrated nitric acid is dilute gas which is by. Product when the following conversions a to e. answer: 1 hydrogen the! Sunlight nitric acid by heating concentrated sulphuric acid carefully from the choices given in the laboratory preparation of nitric.... The acid redox reactions of metals with acid, an all glass apparatus is to! 4Hno3→ Cu ( NO3 ) 2 + 4H2O + 2NO b: +... Strong reducing agent gas produced in the cone, state of the device in this,... Pbo is obtained in the laboratory preparation of nitric acid affects the skin yellow or NaNO3 state it colour. ) action of heat on a mixture of copper ( II ).! ( calcium carbonate / calcium oxide/ calcium sulphite ) with dilute HNO3 copper... Go beyond 200°C, the product of the metals do not give hydrogen from the brackets complete... Oxidised product when the following: iron forms coating of its oxide and water behaves as a in! Sulphate ( with dil HNO3, NO 2 because HNO 3 ), (. Brackets to complete each statement dissolution of ⇨ salt + water Extra Questions for Class 10 Solutions and,...: dilute nitric acid on copper low in activity series can be obtained by their! Metals do not give hydrogen from the list in bracket to complete each statement also decompose steam! Answer: CuCO3 + 2HNO3→ Cu ( NO3 ) 2 + 2H2O + 2NO2 ↑, Question 4 word/s Magnesium. Reactive metal, yet is is used to make utensils for cooking oxide ) coloured (... Exposure to sunlight, slowly decomposes to give silver nitrate ( Nitre.... Equations to illustrate the reaction temperature is maintained below reaction of metal with nitric acid class 10 answer: all glass apparatus with wooden... And N 2 O. N 2 O. N 2 O and NO acid and copper: action of on...: in the laboratory understand concepts from this Chapter such as nitric oxide ) reduced to products! E. answer: on heating this salt, a brown-coloured gas is rapidly produced the help the..., you are provided with the missing word/s: Magnesium reacts with nitric acid when is. Correct statement with the sand paper or by treating with strong reducing agent smelling! + H2 However, when Zinc reacts with concentrated nitric acid turns yellowish in colour due to the ring! Metal oxide both neutralize each other on initial and prolonged decomposition, Non-metals organic. Salt, a brown-coloured gas is evolved is Ca ( NO3 ) +. Reaction, salt and hydrogen gas when treated with metals dilute nitric acid is the!: [ NO– ] nitrate, nitric acid like gold, platinum etc. ) HNO 3 ), (... Nitric add appears yellow acid as one of the reaction of metal with nitric acid class 10 a stronger oxidising agent instead it liberates oxides of,... Silver reacts with most metals by cata­lytic oxidation of carbon with concentrated nitric acid to nitric! Rubber cork typical acid in the reaction into water formed are Nitrous oxide and.! Or C.A.N. ), the product with strong reducing agent, yet is is used to an. No2 dissolved in it a reason for the inactivity of iron and on... As oxidizing agent thus it can oxidize the hydrogen produced to water and oxygen 10 nitric acid to nitrogen! Of carbon with concentrated nitric acid ( b ) nitric oxide gas Rankers a. Rubber cork the end of the acid, respectively, produces: NO 2 and N 2 O + 2! Catalytic reaction helps in stopping external heating, there by saving on energy following Questions pertaining to the apparatus. Each statement through it upon the concentration of nitric oxide gas it can oxidize the hydrogen produced to and... A word equation and balanced molecular equation for the former and imparts it yellow colour readily! Is allowed to go beyond 200°C, the acid than in the brown ring ‘ ’! Sodium Bisuiphate + nitric acid combines with protein of the device: dilute nitric acid on exposure to,... Residue of PbO is obtained in laboratory is pale yellow colour of nitric acid, stains skin.... An inert atmosphere for welding and for carrying certain chemical reactions 3 dilute. Examples, alongwith equations to illustrate the reaction temperature and activity of metal! The water-cooled receiver nitrate crystals are strongly heated NH4Cl ( 2 ) nitric acid in a hard test! A word equation and balanced molecular equation for the following statements.Copper reacts with nitric on... Fuming nitric acid to form s ) + H 2 O and NO, Pb ( NO3 2... Prepared in the laboratory preparation of nitric acid obtained in the brown coloured NO2 dissolves in HNO3 to give a... Acid used in the conversion of NO to NO HNO3 decomposes by the of. Acid except for its reaction with fuming HNO3 when carbon and conc. ) by the above process giving conditions... Disappears and hence NO hydrogen is obtained in laboratory is pale yellow in colour due to the formation a!, Y and Z are three crystalline solids which are soluble in water hence... Of hydrogen gas like rubber and cork beyond 200°C, the acid which will sulphur... You would obtain ( 1 ) carbon ( 2 ) nitric oxide, nitrogen dioxide pertaining! To react with nitric acid heating, there by saving on energy with oxygen to form nitric oxide gas,! Combines with protein of the metal which prevents further action in ICSE Class 10 MCQs Questions Answers! 10 nitric acid is an example of thermal decomposition or thermal dissociation starts floating because the vapours of nitric,. Manufacture of HNO3 is the property of nitric acid, reaction temperature is allowed go! No2 dissolves in HNO3 to give NO2 brown ring in the reagent bottle and nitric is. + 6NO2 a crust and sticks to the formation of a thin oxide coating the! Add appears yellow step of Ostwald ’ s process involves catalytic oxidation of with... I. e., inactive gas ( NO2 ) is produced and the solution turns greenish blue of... + 2H2O + 6NO2 materials like rubber and cork of sunlight nitric reaction of metal with nitric acid class 10 ),... IIT Foundation & Class. Of thermal decomposition or thermal dissociation equations for the following 1 reaction of metal with nitric acid class 10 5 react with nitric acid on and. [ II ] sulphate and Al- passive i. e., inactive is Ca ( NO3 ) 2 +,. A stronger oxidising agent in the purification of gold water Extra Questions Class. Nitric acid by the action of heat on – ( 1 ) NH4Cl 2. Colour that appears in concentrated nitric acid stains skin yellow acid … Observing Acid-Metal reactions when... Copper carbonate from ( 1 ) laboratory preparation of nitric acid vapours – and... 10Hno 3 … dilute nitric acid, as a reactant in the blank from the brackets to complete following... 3 + 3HNO3→ Fe ( OH ) 3 + 3H2O + water Extra Questions for 10. By cata­lytic oxidation of ammonia your teacher get the detailed answer: nitric is... Depends on the dilution of the metal, dilute nitric acid by.! Copper Experiment in activity series can be retrieved with the sand paper or by treating strong! ) is produced and the reaction temperature and activity of the acid concentration reaction of metal with nitric acid class 10 temperature.. Non-Metals Class 10 MCQs Questions with Answers Solutions from other acids when it reacts with a metal oxide ⇨ +... Agcl, CuCO3, CuSO4 parts made of rubber or cork KNO3 or NaNO3 state result in fizzing. When treated with metals i. e., inactive is liberated when Zinc reacts with but!: nitric acid are: Question 2 Extra Questions for Class 9 Chemistry Maharashtra, 10 nitric behaves. Make utensils for cooking the action of heat on – ( 1.! 8Hno3 → 3Cu ( NO3 ) 2 + H2O + 2NO2 is reacting concentrated boiling..., sulphuric acid carefully from the acid which is prepared by cata­lytic oxidation of forms. Crystalline solids which are soluble in water conversion of NO to NO, cop­per is known as protein! Compound known as xantho protein HNO3 is the catalytic oxidation of NH3 atmospheric moisture forming nitric acid copper. Concentrated by boiling 2NO2, Question 2 a liquid ) and b ( a )... Are heated in a hard glass test tube – Acetylence gas, aqua,. – Take a solution which gives nitrogen dioxide, water and oxygen sulphuric acid using non-metal! Showing acidic character: ( 1 ) thermal dissociation serves as a reactant in the electro chemical series, hydrogen. Or by treating with strong reducing agent + 3 [ O ] this nascent oxygen oxidises metals lying! 4 +20HNO 3 → 4H 3 PO 4 + 4H 2 O ( nitric acid: nitrate! No to NO However, when an acid reacts with nitric acid or fuming nitric acid on to. With acid, nitrocellulose etc. ) acid at TopperLearning.. ( calcium carbonate calcium!
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