Statement-1 : `Ce^(4+)` is more stable than `Ce^(3+)`.
Statement-2 : `Ce^(4+)` has noble gas configuration.
A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.
B. Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for Statement-1.
C. Statement-1 is True, Statement-2 is false
D. Statement-1 is False and Statement-2 is True.