JEE Advanced Chemistry question

Acid strength of oxoacids of chlorine is in order

(A)HOCl < HClO2 < HClO3 < HClO4Correct
(B)HClO4 < HClO3 < HClO2 < HOCl
(C)HClO3 < HClO4 < HClO2 < HOCl
(D)HClO2 < HClO3 < HOCl < HClO4

Answer: (A)

Solution

Acid strength of chlorine oxoacids increases with the number of highly electronegative, electron-withdrawing terminal oxygen atoms on chlorine, which stabilises the resulting conjugate base (ClOₙ⁻) through inductive withdrawal and

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Question ID VK-159426