Assertion: Mn atom loses ns electrons first during ionisation as compared to `(n-1)` d electrons
Reason: The effective nuclear charge experienced by `(n-1)`d electrons is greater than that by ns electrons.
A. Statement-1 is true , Statement-2 is true and Statement-2 is correct explanation for Statement-1
B. Statement-1 is true, Statement-2 is True and Statement-2 is Not correct explanation for statement-1
C. Statement-1 is true, Statement-2 is False
D. Statement-1 is False, Statement-2 is True