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Change in entropy is negative for...

Change in entropy is negative for

A

`Br(l) to Br(g)`

B

`C(s)+H_(2)O(g) to CO(g)+H_(2)(g)`

C

`N_(2)(g, 10 atm) to N_(2), (g, 1 atm)`

D

`Fe(" at 400 K")to Fe (" at 300 K")`

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The correct Answer is:
D
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