Answer:
Option D
Explanation:
For the given reaction,
2NO(g)+O2(g)⇌2NO2(g)
Given, △G0f(NO)=86.6kJ/mol
△G0f(NO2)=?
Kp=1.6×1012
Now , we have
△G0f=2△G0f(NO2)−[2△G0f(NO)+△G0f(O2)]
−RTlnKp=2△G0f(NO2)−(2×86600+0)
△G0f(NO2)=12
[2×86600−R×298ln(1.6×1012]
△G0f(NO2)=0.5
[2×86600−R×(298)ln(1.6×1012)]