NEETChemistry-Thermodynamics
NEET Chemistry Spontaneity MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In isolated system, find the condition for spontaneous reaction.
A
ΔU = 0, ΔS = 0, ΔG = 0
B
ΔU < 0, ΔS > 0, ΔG < 0
C
ΔU = 0, ΔS > 0, ΔG < 0
D
ΔU < 0, ΔS < 0, ΔG < 0
Correct Answer
Option C
Detailed Explanation
For a spontaneous process in an isolated system, the entropy change (ΔS) must be positive and the Gibbs free energy change (ΔG) must be negative.
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