Engineering
Chemistry
Compounds of Halogen Family
Acidic and Basic Oxides
Question

Among the following oxoacids , the correct decreasing order of acid strength is :

HClO4 > HClO3 > HClO2 > HOCl

HClO4 > HOCl > HClO2 > HClO3

HOCl > HClO2 > HClO3 > HOCl4

HClO2 > HClO4 > HClO3 > HOCl

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Solution

The stability order of conjugate base is :

ClO4 > ClO3 > ClO2 > ClO