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.



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