Q. Which requires catalyst :
A) $S + O_{2}\ \longrightarrow SO_{2}$
B) $2{SO}_{2} + O_{2}\ \longrightarrow 2{SO}_{2}$
C) $C + O_{2}\ \longrightarrow CO_{2}$
D) All of these
Explanation
(b)
Contact process of $H_{2}SO_{4}$ requires Pt asbestos or $V_{2}O_{5}$ as catalyst for combination of $SO_{2}$ and $O_{2}$.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.