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Question

According to Hund's rule, the distribution of electron within the various orbitals of a given sub-shell is one which is associated with :

A
minimum spin multiplicity
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B
maximum spin multiplicity
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C
maximum energy
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D
minimum energy
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Solution

The correct option is C maximum spin multiplicity
Hund's rule of maximum multiplicity states that a greater total spin state usually makes the resulting atom more stable. Accordingly, it can be taken that if two or more orbitals of equal energy are available, electrons will occupy them singly before filling them in pairs.

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