AIPMT PRELIMS2006Chemistry-Thermodynamics
AIPMT PRELIMS 2006 Chemistry Gibbs Free Energy MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Identify the correct statement for change of Gibbs energy for a system (ΔGSystem) at constant temperature and pressure:
A
If ΔGSystem > 0, the process is spontaneous
B
If ΔGSystem = 0, the system has attained equilibrium
C
If ΔGSystem = 0, the system is still moving in a particular direction
D
If ΔGSystem < 0, the process is not spontaneous
Correct Answer
Option B
Detailed Explanation
At equilibrium, the change in Gibbs energy is zero.
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