Q. $\mathrm{\Delta}S^{o}$ will be highest for the reaction
A) $Ca(s) + \frac{1}{2}O_{2}(g) \rightarrow CaO(s)$
B) $CaCO_{3}(g) \rightarrow CaO(s) + CO_{2}(g)$
C) $C(g) + O_{2}(g) \rightarrow CO_{2}(g)$
D) $N_{2}(g) + O_{2}(g) \rightarrow 2NO(g)$
Explanation
(b)
Eq.(b) shows largest phase change $ie$,gas $\rightarrow$ solid
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.