The correct answer is Option B: $2{SO}_{2}(g) + O_{2}(g)\overset{\ \ \ \ \ 2NO\ \ \ \ \ }{\rightarrow}2SO_{3}(g) + 2NO(g)$.
A detailed explanation for this question is being prepared.
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.