JEE Advanced Chemistry question

Which one of the following is the weakest base as per the Bronsted concept?

(A)[ClO4]−Correct
(B)[ClO3]−
(C)[ClO2]−
(D)[ClO]−

Answer: (A)

Solution

By the Bronsted concept, the conjugate base of the strongest acid is the weakest base. Since acid strength increases HOCl < HClO2 < HClO3 < HClO4, the conjugate base

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Question ID VK-159404