The orbital diagram in which the Aufbau principle violated is

Question

The orbital diagram in which the Aufbau principle violated is <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/2ab1ebc813d140fc2284198aa1310bea-.jpeg" /> (A) a (B) b (C) c (D) d

Tardigrade Admin · Accepted Answer

According to Aufbau principle, the orbital of lower energy (2s) should be fully filled before the filling of orbital of higher energy starts.

Q. The orbital diagram in which the Aufbau principle violated is

a

b

c

d

According to Aufbau principle, the orbital of lower energy $(2 s)$ should be fully filled before the filling of orbital of higher energy starts.