The acceptable valence shell electronic arrangement is: · ABC26IN0790

Subject: Inorganic Chemistry · Chapter: Periodic Properties · Topic: Periodic Properties – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Hard

The acceptable valence shell electronic arrangement is:
(a)Option (a) structure 1 of 3, ABC26IN0790 Option (a) structure 2 of 3, ABC26IN0790 Option (a) structure 3 of 3, ABC26IN0790
(b)Option (b) structure 1 of 3, ABC26IN0790 Option (b) structure 2 of 3, ABC26IN0790 Option (b) structure 3 of 3, ABC26IN0790
(c)Option (c) structure 1 of 2, ABC26IN0790 Option (c) structure 2 of 2, ABC26IN0790
(d)Option (d) structure 1 of 2, ABC26IN0790 Option (d) structure 2 of 2, ABC26IN0790
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
2s² with three singly occupied, parallel-spin 2p orbitals obeys both the Pauli principle and Hund's rule (c); (b) breaks Pauli, (a) and (d) break Hund.

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