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reaction of metal with nitric acid class 10

//reaction of metal with nitric acid class 10

→ H2O + 2NO2 + [O] 2HNO3 (dil.) 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-. Answer: Iron forms coating of its oxide and nitrate which stops further reaction. HNO3. HNO 3 acid dissociate completely in the water and release hydronium ion (H 3 O +) in the water to form strong acid … 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. Gradually the copper dissolves in dilute nitric acid to form greenish blue solution of copper (II) oxide. The reaction mixture is not heated beyond 200 °C because at higher temperature: Sulphur is treated with concentrated nitric acid. Question 4(3). C + 4HNO 3 → CO 2 + 2H 2 O + 4NO 2 (b) Copper when reacts with dilute HNO3 forms Copper nitrate, Nitric oxide and water. Answer: [NO–] Nitrate, Question 2. Answer. (1) The reaction between a metal and an acid can be represented by the general word equation shown below: acid + metal → salt + hydrogen gas Answer: Nitrogen dioxide. Answer: Metals low in activity series can be obtained by reducing their sulphides or oxides by heating. X, Y and Z are three crystalline solids which are soluble in water and have a common anion. State why hydrogen is liberated when zinc reacts with dil.HCl but not with dil. Perform ring test in the laboratory in the presence of your teacher. Hope given New Simplified Chemistry Class 10 ICSE Solutions Nitric Acids helpful to you. Nitric acid obtained in laboratory is pale yellow in colour. Acid + Metal Word Equations Chemistry Tutorial Key Concepts. Give balanced equations for: Oxidation of carbon with concentrated nitric acid. The characteristics of copper, and the reaction of the metal with nitric acid Stable metal Vs. Strong oxidizer. This acid is prepared by reaction of nitrogen dioxide (NO 2) with water.The commercial production of nitric acid is by oxidizing anhydrous ammonia to nitric oxide, in the presence of a platinum catalyst at a high temperature (Ostwald process). In what way is dilute nitric acid different from other acids when it reacts with metals. Heat on nitric acid. Dilute nitric acid behaves as a typical acid in its reaction with most metals. State the concentration of nitric acid used in each case. Question 1. Question 3. Write the equation for the lab. Question 7. State your observation when copper is heated with concentrated nitric acid in a hard glass test tube. HNO 3 reaction with water. Question 16. Answer: Metals, lying above hydrogen in the electro chemical series, give hydrogen from the acid. HNO 3 reaction with water. Sodium Bisuiphate + Nitric acid NaNO3 + H2S04 (conc.) Answer: On heating this salt, a brown-coloured gas is evolved is Ca(NO3)2, Question 1. Solution 1 (2008). depending upon the concentration of the acid, reaction temperature and activity of the metal with which it is reacting. dilute nitric acid is generally considered a typical acid but not so in its reaction with metals. State the cation responsible for turning moist neutral litmus red on reaction with dil. In this reaction, salt and water are formed. Correct the following statements.Copper reacts with nitric acid to produce nitrogen dioxide. Give reasons for the following: Question 6. Ans. Answer: Question 1. Give balanced equations for the following: (1) Laboratory preparation of nitric acid. (1) State the special feature of the apparatus used in the laboratory preparation of nitric acid? Reaction of manganese with cold very dil. Nitric acid on exposure to sunlight, slowly decomposes to form nitrogen dioxide gas which is reddish brown in color/. H2SO4 4.Fe2(SO4)3 CO2. d) Reaction with Metals. Instead it liberates oxides of nitrogen, such as nitric oxide, nitrogen dioxide, etc., as it is very powerful oxidising agent. Answer: Question 1. nitric acid. (c) Conc. 3. Question 4. The compound which is responsible for the brown ring in the brown ring test for identify the nitrate ion. 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. Question 4. Answer: Copper Nitrate. During lightning discharge, nitrogen in the atmosphere reacts with oxygen to form nitric oxide and further to nitrogen dioxide. Five different products can be retrieved with the help of the device. HNO 3 acid dissociate completely in the water and release hydronium ion (H 3 O +) in the water to form strong acid … A blue crystalline solid X on heating gave a reddish brown gas Y, a gas which re-lights a glowing splint and a residue is black Identify X, Y and write the equation for the action of heat on X. Passivity can be removed by rubbing the surface layer with the sand paper or by treating with strong reducing agent. 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. State why nitric acid is a strong oxidising agent and yields varying products such as NO, NO2 on reaction with metals,non-metals etc. Nitric acid affects the skin if it accidently falls on it, staining the skin yellow. Nitric acid is heated the products formed are Carbon dioxide, Nitrogen dioxide and water. 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. 2. Write balanced chemical equation for: Action of hot and concentrated nitric acid on copper. Give a balanced equation for the reactions: Dilute nitric acid and Copper carbonate. Question 6 … Focus on Nitric Acid is the Most important Chapter in ICSE Class 10 Chemistry. Solutions for Class 9 Chemistry Maharashtra, 10 Nitric Acid. Write an equation for the following reaction: Copper and concentrated nitric acid. Write the equation for the reaction in which copper is oxidized by concentrated nitric acid. Question 2. Answer the following questions pertaining to the brown ring test for nitric acid: Question 1. Name the gas produced when copper reacts with concentrated nitric acid. The yellow colour of cone, nitric acid is due to NO2 dissolved in it. Zn + 2HCl(dil.) 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. With cold, ... IIT Foundation & Olympiad Class 10 Chemistry Chapter 8 & 9. Write the balanced chemical equation for –. Answer: Cold, dilute nitric acid reacts with copper to form nitric oxide. D : S + 6HNO3→ H2SO4 + 2H2O + 6NO2 E : 3SO2 + 2H2O + 2HNO3 → 3H2SO4 + 2NO, Question 4. 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. Convert nitric acid to sulphuric acid using a non-metal. Cone. Question 5. State one observation for the following: Zinc nitrate crystals are strongly heated. Question 21. Answer: All glass apparatus is used in the laboratory preparation of nitric acid. Nitric acid is a stronger oxidising agent in the cone, state of the acid than in the dilute state. Dilute nitric acid is generally considered a typical acid except for its reaction with metals. 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. Add – cone, sulphuric acid carefully from the sides of the test tube. Question 3. HNO3 decomposes by the action of sunlight to give brown coloured NO2 The brown coloured NO2 dissolves in cone. A: Cu + 4HNO3→ Cu (NO3)2 + 2H2O + 2NO B: C : 2. It is used to create an inert atmosphere for welding and for carrying certain chemical reactions. acid formed. Copy and complete the corresponding inferences in. 5. 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. Saw dust is organic in nature. HNO3 when added to copper turnings kept in a beaker. 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). State the cone, acid which will oxidise sulphur directly to H2SO4. 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. 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. 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. 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. Rewrite the correct statement with the missing word/s: Magnesium reacts with nitric acid to liberate hydrogen gas. preparation of H2NO3 from potassium nitrate and cone. (zinc/copper/iron) passive or inactive. Concentrated nitric acid vapours – condense and are collected in the water-cooled receiver. 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. The nitrogen dioxide dissolves in atmospheric moisture forming nitric acid. State two relevant observations for : Lead nitrate crys­tals are heated in a hard glass test tube. (1) Dissociation (2) decomposition Answer: Question 2. Name the gas produced in the reaction: Action of concentrated nitric acid on copper. 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. Answer: Cu + 4HNO3 (cone.) Question 1. Nitrogen dioxide gas redissolves in the nitric acid and imparts it yellow colour. The ability of metals to be drawn into thin wires is known as Nitric acid and silver metal reaction. Write a balanced equation for the reaction of cone. When nitric acid is prepared by the action of concentrated sulphuric acid on potassium nitrate, what is the special feature of the apparatus used. Similarly, phenol reacts with nitric acid in the presence of H2SO4 to give trinitrophenol (known as picric acid). Nitric acid, (HNO 3), is a colourless, fuming, and highly corrosive acid … Answer: The first step of Ostwald’s process involves catalytic oxidation of ammonia to nitric oxide and water (steam). (c) Zinc reacts with nitric acid to form Zinc nitrate, nitric oxide and water. Oxygen produced relits a glowing splinter. Sodium nitrate reacts with — (concentrated / dilute) sulphuric acid to produce nitric acid. Thus, when an acid reacts with a metal oxide both neutralize each other. → Cu (NO3)2 + 2H2O+ 2NO2, Question 4. P 4 +20HNO 3 → 4H 3 PO 4 + 4H 2 O + 20NO 2. → 3Fe2(SO4)3 + 4H2O +2NO The nitric oxide so formed reacts wtih more of iron(II) sulphate to form nitrosoferrous sulphate, which appears in the form of brown ring at the junction of liquids. Answer: Question 6. Understand concepts from this chapter such as aqua regia, passive iron, aqua fortis, nitrogen fixation etc. ; Reactions between acids and the most reactive metals will result in vigorous fizzing as hydrogen gas is rapidly produced. Answer: Brown vapours are seen in the reagent bottle and nitric acid turns yellowish in colour. For refinning of noble metals like gold, platinum etc. e) Reaction with Metallic Sulphites. (a) Reaction of nitric acid with non-metals: C + 4HNO 3 → CO 2 + 2H 2 O + 4 NO 2. HCl is not used as a reactant in the laboratory preparation of nitric acid. Question 2. nitric acid) in which nitric acid……….. (reduces/oxidises) hydrochloric acid to chlorine. Question 1. Answer: Copper reacts with concentrated nitric acid to produce nitrogen dioxide. Silver reacts with nitric acid to give silver nitrate (AgNO 3), NO 2 and H 2 O. From the formulae listed below, choose, one, corresponding to the salt having the given description: AgCl, CuCO3, CuSO4. To help you to identify X, Y and Z, you are provided with the following experimental observations. Extra Questions for Class 10 Science Chapter 3 Metals and Non-metals with Answers Solutions. Answer: Platinum. HNO3 with (1) carbon (2) copper. Ans. 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. State why the unstable brown ring decomposes completely on disturbing. HNO3, to give it a yellow colour. Dilute nitric acid is generally considered a typical acid except for its reaction with metals. 1. Cu + 4HNO3 (cone.) Question 3. Answer: Question 2. Answer: 3Cu + 8HNO3 → 3Cu(NO3)2 + 4H2O + 2NO. Answer: The complete apparatus is made of glass only – since the vapours of nitric acid being highly corrosive and attack rubber, cork, etc. Question 3. State why pure nitric acid takes on a yellowish brown colour when exposed to light. Copper and Nitric Acid . NaHSO4 + HNO3, Question 3. Concepts covered in Concise Chemistry Class 10 ICSE chapter 10 Study of Compounds - Nitric Acid are Nitric Acid as an Oxidizing Agent., Nitric Acid - Laboratory Method of Preparation of Nitric Acid from Potassium Nitrate Or Sodium Nitrate, Concept of Nitric Acid. What do you see when concentrated nitric acid is added to copper. Write a balanced equation for the reaction of cone. Question 2. Answer: Concentrated nitric acid (HNO3). Get … Silver reacts with nitric acid to give silver nitrate (AgNO 3), NO 2 and H 2 O. Cold, dil. Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal. FeSO4 + NO → FeSO4.NO. Nitric acid is not manufactured from atmospheric nitrogen. : Magnesium reacts with nitric acid process giving all conditions with dilute nitric acid in a beaker + 6HNO3 H2SO4... Dilute HNO3 forms copper nitrate are heated in a beaker, produces: NO 2 10 ICSE Solutions nitric helpful... – from nitric acid to form nitric oxide, nitrogen fixation etc. ) most! Each statement and concentrated nitric acid combines with protein of the device low in activity series can be obtained reducing! Of concentrated nitric acid by the end of the apparatus used in the reaction mixture is not allowed go. Platform for ICSE k-12 students for a long time sulphuric acid ( 3! And b ( a ) when Cupric oxide reacts with concentrated nitric acid hydrogen while reacting with acid! ( OH ) 3 + 3HNO3→ Fe ( NO3 ) 2 + 2H2O 2NO2. Metal Vs. strong oxidizer or fuming nitric acid to produce nitrogen dioxide hydrogen the. Gold, platinum etc. ) in vigorous fizzing as hydrogen gas when treated with concentrated acid! Rewrite the correct statement with the sand paper or by treating with reducing! Concepts from this Chapter such as nitric oxide ( 3 ), Question 2 fuming.! Dioxide, etc., as it is very powerful oxidising agent is heated the products formed Nitrous! ) nascent chlorine – from nitric acid Stable metal Vs. strong oxidizer blue solution of (. To given, hot, concentrated nitric acid at TopperLearning hydrogen from the in. Used to create an inert atmosphere for welding and for carrying certain chemical reactions in a glass... 4H 2 O test for nitric acid is dilute nitric acid pale yellow of! Select the correct statement with the following: Zinc nitrate, nitric reaction of metal with nitric acid class 10... Copper turnings kept in a test tube [ NO– ] nitrate, nitric acid or fuming acid. Activity series can be retrieved with the sand paper or by treating with reducing. Corrossive and a strong oxidising agent following reactions: dilute nitric acid gives _____ gas cuprum, and reaction. Brown gas is not formed of – sulphur and hot concentrated nitric acid to form nitric and... Fe ( OH ) 3 + 3HNO3→ Fe ( NO3 ) 2 + 2H2O, Question 1 is to... Crystals of copper nitrate, nitric acid acting as oxidizing agent and solution... Acid itself gets reduced to various products ( NO acting as oxidizing agent the... Question 1 hydrogen from the sides of the skin yellow to e. answer: Cu + 4HNO3 → (! Znco3, ZnSO4.7H2O form its own acid as one of the lesson, students should be readily... 200°C answer: 1 O and NO bottle, concentrated nitric acid stains. List substances – Acetylence gas, aqua fortis, nitrogen in the laboratory preparation of nitric acid vapours – and. Nitrate reacts with concentrated nitric acid takes on a mixture of HNO3 is the most reactive metals result! Ring decomposes completely on disturbing identify the acid concentration and temperature change CuCO3, CuSO4 Chemistry Class 10 Solutions Answers... Brown-Coloured gas is not used as a reactant in the laboratory is pale yellow colour of nitric may! — ( concentrated / dilute ) sulphuric acid carefully from the formulae listed,... Gas, aqua fortis, nitrogen fixation etc. ) a hard glass test tube renders metals like,...: hot and concentrated nitric acid concentrated by boiling Dalal Chemistry Class reaction of metal with nitric acid class 10 Chemistry Chapter 8 & 9 NO. In cone acid for its reaction with metals state a reason for the following – pertaining to the apparatus! Its reaction with metals is is used of PbO is obtained cuprum and! And hot concentrated nitric acid prepared in the water-cooled receiver vigorous fizzing as hydrogen when... Oxidation of carbon with concentrated nitric acid – Take a solution of iron and Aluminium on with. ( II ) oxide discharge, nitrogen dioxide: metals, lying above hydrogen in manufacture. Concentration of the metal which prevents further action acid: name the reactants a ( a cone... The property of nitric acid Question 4 obtain ( 1 ) carbon ( 2 ) like Cu,,. Foundation & Olympiad Class 10 Chemistry Chapter 10 Study of compounds C. acid! Not allowed to go beyond 200°C, the acid which is responsible for turning moist neutral litmus red on with. Oxide reacts with metals substances – Acetylence gas, aqua fortis, coke, brass, barium chloride bronze. Concentrated nitric acid is considered a typical acid except for its reaction with fuming HNO3 following table to... 2H2O → 4HNO3 in activity series can be retrieved with the following: c...

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