Which among the following electronic configurations violate(s) Hund's rule?

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Both b and c

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Solution

The correct option is C
(a) It's a correct electronic arrangement and it does not violate any rule.

(b) It does not violate any rule. However, due to the stability of half-filled electronic configuration, the correct arrangement is

(c) It violates Hund's rule. Hund's rule states that in a set of degenerate orbitals, pairing does not occur until each orbital has one electron.

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Similar questions

Which of the following electronic configurations represent a violation of Hund's rule for an atom in its ground state?

1 s^{0} 2 s^{2} 2 p^{4}

In the following electronic configuration, some rules have been violated:

I:Hund

II: Pauli’s exclusion

III: Aufbau

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