Which of the following electronic configurati | vedclass

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(A) According to Hund's rule of maximum multiplicity,the most stable configuration (lowest energy) is the one with the maximum number of unpaired elec

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(A) According to Hund's rule of maximum multiplicity,the most stable configuration (lowest energy) is the one with the maximum number of unpaired electrons with parallel spins. In the given options,the configuration with three electrons in three separate orbitals (as shown in option $A$) represents the half-filled state,which is more stable and has lower energy compared to the configurations where electrons are paired in the same orbital,as pairing electrons requires overcoming inter-electronic repulsion.

Which of the following electronic configurations has the least energy?

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