Statement (A): The energy of 3d orbital is greater than that of 4s orbital.
Statement (B) : Arrangement of electrons in the atomic orbitals is based on the increasing order of their energy.
Statement (C) : Moeller’s diagram is used to write electronic configuration.

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A and B are correct but C is incorrect

All the above statements are incorrect

All the above statements are correct

A and B are incorrect but C is correct

answer is A.

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Detailed Solution

Regarding electron configuration rules of atomic orbitals the given three statements are true.

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