Thermodynamics Question 67
Question: For a reaction to occur spontaneously
[CBSE PMT 1995]
Options:
A) $ (\Delta H-T\Delta S) $ must be negative
B) $ (\Delta H+T\Delta S) $ must be negative
C) $ \Delta H $ must be negative
D) $ \Delta S $ must be negative
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Answer:
Correct Answer: A
Solution:
$ \Delta G=\Delta H-T\Delta S $ is negative for spontaneity.