Q. In contact process of manufacture of $H_{2}{SO}_{4}$, the catalyst used is

A) Iron
B) $V_{2}O_{5}$
C) Chromium
D) Oxides of nitrogen
Explanation

(b)
The reaction in contact process is
$2{SO}_{2} + O_{2}\overset{\ \ \ \ \ V_{2}O_{5}\ \ \ \ \ }{\rightarrow}2{SO}_{3}$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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