Question

Which of the following statement(s) is/are correct?​

i. Reaction of metal bisulphite with aqueous HCl gives sulphur monoxide gas.​

ii. Reaction of metal sulphite with aqueous HCl gives sulphur dioxide gas.​

iii. Sulphur dioxide has a pungent smell of burning matchstick.​

• A. i and iii
• B. i, ii and iii
• C. i and ii ​
• D. ii and iii​

Answer 1

The correct option is D ii and iii​

• The reaction of metal bisulphite with HCl gives $S{O}_2$ gas.
• The reaction of metal sulphite with HCl gives $S{O}_2$ gas.
• $S{O}_2$ gas gives a pungent smell.
  
  
• From the given statements ii and iii are correct.
  The correct option is B.