Chemical Thermodynamics Question 14

Question: When enthalpy and entropy change for a chemical reaction are 2.5,×103,cal and 7.4,cal

deg1 respectively. Predict the reaction at 298,K is [AFMC 1998; MH CET 1999; CBSE PMT 2000]

Options:

A) Spontaneous

B) Reversible

C) Irreversible

D) Non-spontaneous

Show Answer

Answer:

Correct Answer: A

Solution:

When ΔH = -ve, ΔS = +ve and ΔG = -ve than reaction is spontaneous .



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