Assertion : During the reduction of `ZnO` to `Zn,C`is more efficient than CO.
Reason : The standard free energy of formation of `CO_2` from `CO` is always higher than that of ZnO.

Options

A. If both (A) and (R) are correct and (R) is the correct explanation of(A).
B. If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C. If (A) is correct, but (R) is incorrect.
D. If both (A) and (R) are incorrect.

Answer

B