Q. In the disproportionation reaction $3{HClO}_{3} \rightarrow {HClO}_{4} + {Cl}_{2} + 2O_{2} + H_{2}O,$ the equivalent mass of the oxidising agent is (molar mass of ${HClO}_{3} = 84.45$)

A) 16.89
B) 32.22
C) 84.45
D) 28.15
Explanation

(a)
[image:1_image3.emf]
Equivalent mass of $HClO_{3} = \frac{molar\ mass}{change\ in\ oxidation\ no.}$
$= \frac{84.45}{5} = 16.89$
(When it acts as an oxidising agent)

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.