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Which is correct statement in case of Ha...

Which is correct statement in case of Hand's rule ?

A

It states that if more then one atomic orbital of the same energy is avalable with parallel will occupy different atomic orbital with parallel spins ,as far as possible in the configuration opf lowest energy

B

Total energy of many electron atom with more than one electronn occopying a set of degenerate orbital is lowest if as far as posibile, electron difference atomic orbital and have parallel spins

C

Hand's rule forbnid any conifiguration that does not violet the pauli's exclession principal

D

Hand's rule simply tells as which of the possible configuration are those of excited state higher in energy than the ground state

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