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Quantum Numbers

If the electr...

Question

If the electronic configuration of carbon is written such that there are no unpaired electrons, then __________ principle is violated.

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Solution

According to Hund's rule, every orbital in a sub shell is first singly occupied before any orbital is doubly occupied. If there are no unpaired electrons, then all the orbitals will be doubly occupied.
Hence, in this case, Hund's rule will be violated.

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