Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The orbital diagram in which the Aufbau principle is violated is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The aufbau principle states that in the ground state of an atom, an electron enters the orbitals of lowest energy first and subsequent electrons are filled in the order of increasing energies. In the given orbital diagram, option violates the aufbau principle as electrons switch to P orbitals without completely filling the s orbital which has comparatively lower energy.
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