Using the `DeltaG^(@)` for the reactions    `{:(C+O_(2)rarrCO_(2)
Channel: Doubtnut
Date: 19/04/2020

Using the `DeltaG^(@)` for the reactions    `{:(C+O_(2)rarrCO_(2),DeltaG^(@)=-395kJ//"mole"),(2Al(l)+3//2O_(2)rarrAl_(2)O_(3)(s),DeltaG^(@)=-1269kJ //"mole"),(Al_(2)O_(3)(s)rarrAl_(2)O_(3)("melt"),DeltaG^(@)=16kJ //"mole"):}`    What is the EMF for the cell reaction   `2Al_(2)O_(3)("melt")+3Crarr4Al(l)+3CO_(2)(g)`   The number of electrons involved in the reaction is 12.