AP EAMCET Engineering 21 Apr 2019 Shift 2 Paper

The expression for Gibbs energy is given as,
∆G=∆H−T∆S
Substitute the given value in above expression.
∆G=−2.5×103−298×7.4
∆G=−4.7×103cal
The value of Gibbs energy comes out to be negative, which shows the reaction is spontaneous in nature.