p-Block elementsMedium

Question

Select the correct order of acidity :

Options

A.HI > HBr > HCl > HF
B.HClO4 > HBrO4 > HIO4
C.HCIO < HBrO > HlO
D.HCIO4 > HClO3 > HClO2 > HClO

Solution

(C) Correct order is HCIO > HBrO > HlO (on the basis of their decreasing electronegativity from chlorine to iodine).

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