Copper reacts with hot and concentrated sulphuric acid to form copper sulphate, sulphur dioxide gas and water. Write f-number and balancing order of each element?

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Solution

$C u + H_{2} S O_{4} \to C u S O_{4} + S O_{2} + H_{2} O$
Balanced Equation: $C u + 2 H_{2} S O_{4} \to C u S O_{4} + S O_{2} + 2 H_{2} O$

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Q. Fill in the blanks using the appropriate words given below :
(Sulphur dioxide, Nitrogen dioxide, Nitric oxide, Sulphuric acid)
(i) Cold, dilute nitric acid reacts with copper to give ____________.
(ii) Hot, concentrated nitric acid reacts with copper to form ____________.

Q. Write balanced chemical equations for each of the following reactions
1. Carbon dioxide Marble dissolves in hydrochloric acid to give calcium chloride water and carbon dioxide
2. Silver nitrate reacts with copper to produce copper nitrate and silver metal
3. Carbon dioxide gas is passed over lime water to form a precipitate of calcium carbonate
4. Aluminium Sulphate acts with Sodium Hydroxide to form precipitate of aluminium hydroxide and the solution of sodium sulphate
5. Barium Chloride solution reacts with sulphuric acid to form precipitate of Barium sulphate and solution of hydrochloric acid.

Write the balanced chemical equations for the following conversions:
(a) Lead sulphate from lead nitrate solution and dilute sulphuric acid.
(b) Copper sulphate from copper and concentrated sulphuric acid
(c) Ammonium sulphate from ammonia and dilute sulphuric acid.

Write a balanced chemical equation for each of the following :

1. Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.

2. Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas.

3. Methyl alcohol burns in air to form carbon dioxide and water.

4. Liquid hydrogen peroxide decomposes to give water and oxygen gas.

5. Aluminium hydroxide reacts with sulphuric acid to give ammonium sulphate and water.

6. Aluminium sulphate solution reacts with sodium hydroxide to form a precipitate of aluminium hydroxide.

Q. Which of the following on reaction with hot and concentrated sulphuric acid will give copper sulphate?

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Copper reacts with hot and concentrated sulphuric acid to form copper sulphate, sulphur dioxide gas and water. Write f-number and balancing order of each element?

Cu+H2SO4→CuSO4+SO2+H2OBalanced Equation: Cu+2H2SO4→CuSO4+SO2+2H2O

$C u + H_{2} S O_{4} \to C u S O_{4} + S O_{2} + H_{2} O$
Balanced Equation: $C u + 2 H_{2} S O_{4} \to C u S O_{4} + S O_{2} + 2 H_{2} O$