अभिक्रिया `X_2O_4(l) to 2XO_2 (g)` के लिए 300 K पर `Delta U = 2.1 kcal , Delta S = 20 cal K^(-1) `,है तो `DeltaG` है

Options

A. 9/3 kcal
B. -9.3 kcal
C. 2.7 kcal
D. -2.7 kcal

Answer

D

Explanation

`Delta H = Delta U + Deltang RT = 3.300 kcal`
`Delta G = DeltaH - T Delta S = -2.700 kcal`