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In which of the following reactions, sta...

In which of the following reactions, standard reaction entropy changes `(DeltaS^(@))` is positive and standard Gibbs energy change `(DeltaG^(@))` decreases sharply with increasing temperature ?

A

`Mg(s)+(1)/(2)O_(2)(g)rarr MgO(s)`

B

`(1)/(2)` C graphite `+(1)/(2)O_(2)(g)rarr (1)/(2)CO_(2)(g)`

C

C graphite `+(1)/(2)O_(2)(g)rarr CO (g)`

D

`CO(g)+(1)/(2)O_(2)(g)rarr CO_(2)(g)`

Text Solution

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The correct Answer is:
C
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