Chemical Thermodynamics Question 12

Question: The occurrence of a reaction is impossible if [AIIMS 1982, 91; MP PET 1997; MP PMT 1999; DPMT 2002]

Options:

A) $ \Delta H $ is +ve ; $ \Delta S $ is also + ve but $ \Delta H<T\Delta S $

B) $ \Delta H $ is - ve ; $ \Delta S $ is also - ve but $ \Delta H,>,T\Delta S $

C) $ \Delta H $ is - ve ; $ \Delta S $ is + ve

D) $ \Delta H $ is + ve ; $ \Delta S $ is - ve

Show Answer

Answer:

Correct Answer: D

Solution:

$ +ve\Delta H $ and $ -ve\Delta S $ both oppose the reaction.



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