Question

Which one of the following oxyacids of chlorine is the least oxidizing in nature ?

• A. HOCl
• B. $HClO_2$
• C. $HCIO_3$
• D. $HClO_4$

Answer 1

Answer: (D)

$HClO_4$

Answer 2

Oxidising character of oxy-acids of chlorine is in the order ${HClO_4 < HClO_3 < HCIO_2 < HOCl}$ Thus, $HClO_4$ is the weakest O.A.