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)to MgO(s)`B. `(1)/(2)C " graphite " +(1)/(2)O_(2)(g)to (1)/(2)CO_(2)(g)`C. `C " graphite " +(1)/(2)O_(2)(g)to CO(g)`D. `CO(g)+(1)/(2)O_(2)(g)to CO_(2)(g)`

In which of the following reactions,standard reaction entropy change`(

1.	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)to MgO(s)`B. `(1)/(2)C " graphite " +(1)/(2)O_(2)(g)to (1)/(2)CO_(2)(g)`C. `C " graphite " +(1)/(2)O_(2)(g)to CO(g)`D. `CO(g)+(1)/(2)O_(2)(g)to CO_(2)(g)`
Answer» Correct Answer - C `Delta S = + ve` `DeltaG=DeltaH-T DeltaS, Delta H= -ve` `Delta G= +ve`

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