In which of the following reactions,standard reaction entropy change`(DeltaS^(@))`is positive and standard Gibb,s 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)`
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)`
Correct Answer – C