Question

Which of the following statements regarding chlorous acid is not correct ?

• A. The molecular formula of chlorous acid is HClO₂
• B. It exists only in solution
• C. In alkaline medium chlorites are unstable, whereas in acidic medium they are stable
• D. Hypochlorous ions disproportionate in the aqueous solution

Answer 1

Answer: (C)

In alkaline medium chlorites are unstable, whereas in acidic medium they are stable

Answer 2

Chlorites are stable in alkaline solution even when boiled, but in acid solution they disproportionate readily when boiled

5 HClO₂ ¾® 4 ClO₂ + NaCl