Which of the following violates the Aufbau principle?

Question

Which of the following violates the Aufbau principle? (A) Option 1

(B)

(C)

(D)

Tardigrade Admin · Accepted Answer

As 2p cannot be filled before 2s so here Aufbau's rule is violated. <img class="img-fluid question-image" alt="Solution" src="https://cdn.tardigrade.in/q/nta/c-7fda1aljul2o.png" />

Q. Which of the following violates the Aufbau principle?

As 2p cannot be filled before 2s so here Aufbau's rule is violated.