Which of the following statements is not correct ?

Options

A. Special stability of half-filled and fully-filled atomic configurations amongst `s-` and p-block elements is reflected in ionization potential tends along a period.
B. Special stability of half-filled and fully-filled atomic configurations amongest `s-` and p-block elements is reflected in electron affinity trends along a period.
C. Aufbau order is not obeyed in cases where energy difference between `ns` and `(n - 1) d` subshell is large.
D. Specical stability of half-filled subshell is attributed to higher exchange energy of stabilization.

Answer

C

Explanation

( c) Arfbau order is obeyed in cases where energy difference between `ns` and `(n - 1) d` subshell is large.