Question

Statement 1: Reaction of metal bisulphite with hydrochloric acid gives sulphur monoxide gas.
Statement 2: Gas evolved during reaction of metal sulphite with hydrochloric acid has pungent smell of burning matchstick.

• A. Statement 2 is true 1 is false.
• B. Both statements are true.
• C. Both statements are false
• D. Statement 1 is true 2 is false.

Answer 1

The correct option is A Statement 2 is true 1 is false.

• When metal bisulphite reacts with HCl it gives metal salt, water and sulphur dioxide gas. So, statement 1 is false.
• When metal sulphite reacts with HCl it gives metal salt, water and sulphur dioxide gas. Sulphur dioxide gas has a pungent smell of burning matchstick. So statement 2 is true.
• As Statement 1 is false and statement 2 is true, Option B is correct.