A) \[\Delta {{S}_{system}}\] is -ve
B) \[\Delta {{S}_{surr}}\] is + ve
C) \[\Delta {{S}_{u}}\] is -ve
D) \[\Delta {{S}_{system}}\ne \Delta {{S}_{surr}}\]
Correct Answer: C
Solution :
For spontaneous process, \[\Delta {{S}_{u}}\] must be positive. So, the process is non-spontaneous as \[\Delta {{S}_{u}}\] is -ve.
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