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Match the following

List-I

(Electronic config.)

List II

(Rules Violated)

(A)

I) Hund’s only

(B)

II) Pauli’s and Hund’s only

(C)

III) Auf-bau, Pauli’s and Hund’s

(D)

IV) Auf-bau only

V)Auf-bau and Hund’s only

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A-I B-II C-V D-IV

A-II B-I C-IV D-III

A-II B-I C-V D-III

A-II B-I C-V D-IV

answer is A.

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Detailed Solution

Aufbau’s: Lower energy orbitals must be filled first

Pauli’s: No two e^- can have the same set of quantum numbers

Hund’s: Degenerate orbitals must be filled with e^- with parallel spin

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