For the reaction `Ag_(2)O(s)rarr 2Ag(s)+1//2O_(2)(g)` the value of `Delta H=30.56 KJ mol^(_1)` and `Delta S = 66 JK^(-1)mol^(-1)`. The temperature at which the free energy change for the reaction will be zero is :-
A. 373 K
B. 413 K
C. 463 K
D. 493 K