Chemical Thermodynamics Question 142

Question: At 300 K, the reactions which have following values of thermodynamic parameters occur spontaneously [Roorkee 1999]

Options:

A) ΔGo=400kJmol1

B) ΔHo=200kJmol1,,ΔSo=4JK1mol1

C) ΔHo=200,kJ,mol1,ΔSo=4,JK1mol1

D) ΔHo=200,J,mol1,ΔSo=40,JK1mol1

Show Answer

Answer:

Correct Answer: A

Solution:

When ΔH=+ve and ΔS=ve than the reaction is non-spontaneous.



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