Write the balanced chemical equation of the following

Copper sulphate on treatment with potassium iodine precipitates cuprous iodide (cu₂l₂), liberates iodine gas and also forms potassium sulphate.

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Solution

2CuSO₄ + 4KI â†’ Cu₂I₂ + I₂ + 2K₂SO₄

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Q. Copper sulphate on treatment with potassium iodide precipitates cuprous iodide, liberates iodine gas and also forms potassium sulphate. Write a balanced equation for the mentioned reaction.

Write the balanced chemical equations for the following reactions-

(a) Sodium carbonate on reaction with hydrochloric acid in equal molar concentration gives sodium chloride and sodium hydrogen carbonate.

(b) Sodium hydrogen carbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.

(c) Copper sulphate on treatment with potassium iodide precipitates cuprous iodide $({Cu}_{2} I_{2})$ , liberates iodine gas and also forms potassium sulphate.

Q. Question 20.3

Write the balanced chemical equation for the following reaction and identify the type of reaction.

Chlorine gas is passed in an aqueous potassium iodide solution to form potassium chloride solution and solid iodine.

Q. When

8.3 g

copper sulphate reacts with excess of potassium iodine then the amount of iodine liberated is :

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Write the balanced chemical equation of the following Copper sulphate on treatment with potassium iodine precipitates cuprous iodide (cu2l2 ), liberates iodine gas and also forms potassium sulphate.

2CuSO4 + 4KI â†’ Cu2I2 + I2 + 2K2SO4

Write the balanced chemical equation of the following

Copper sulphate on treatment with potassium iodine precipitates cuprous iodide (cu₂l₂), liberates iodine gas and also forms potassium sulphate.

2CuSO₄ + 4KI â†’ Cu₂I₂ + I₂ + 2K₂SO₄