Question

Give the correct order of acidity of

• A. \( \text{HClO}_4 < \text{HClO}_3 < \text{HClO}_2 < \text{HClO} \)
• B. \( \text{HClO} < \text{HClO}_2 < \text{HClO}_3 < \text{HClO}_4 \)
• C. \( \text{HClO}_4 < \text{HClO}_2 < \text{HClO} < \text{HClO}_3 \)
• D. \( \text{HClO} < \text{HClO}_3 < \text{HClO}_2 < \text{HClO}_4 \)

Hint:

More oxygen atoms in oxoacids increase acidity due to stronger electron-withdrawing effects.

Answer 1

The Correct Option is B

The acidity of oxoacids of chlorine increases with the number of oxygen atoms. More electronegative atoms increase the ability to release H\(^+\). Hence, the order is: \[ \text{HClO} < \text{HClO}_2 < \text{HClO}_3 < \text{HClO}_4 \]