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Question: Acid strengths of oxyacids of chlorine follows the order...

Acid strengths of oxyacids of chlorine follows the order

A

HClO4<HClO3<HClO2<HClOHClO_4 < HClO_3 < HClO_2 < HClO

B

HClO<HClO2<HClO3<HClO4HClO < HClO_2 < HClO_3 < HClO_4

C

HClO4<HClO3<HClO<HClO2HClO_4 < HClO_3 < HClO < HClO_2

D

HClO<HClO3<HClOHClO < HClO_3 < HClO

Answer

Option B

Explanation

Solution

For oxyacids of chlorine, the acid strength increases with an increasing number of oxygen atoms because additional oxygens enhance the compound's ability to stabilize the negative charge on the conjugate base by delocalizing the charge through inductive effects. Therefore, the increasing order of acid strength is:

HClO<HClO2<HClO3<HClO4\mathrm{HClO} < \mathrm{HClO_2} < \mathrm{HClO_3} < \mathrm{HClO_4}