The term symbol that is NOT allowed for the np² configuration is

Q28 · CSIR-NET Chemistry, June 2014

Paper: CSIR-NET June 2014 · Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Term Symbols Spectra · Marks: 2 · Difficulty: Easy

The term symbol that is NOT allowed for the $np^{2}$ configuration is

(a)$^{1}D$

(b)$^{3}P$

(c)$^{1}S$

(d)$^{3}D$

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

np² allows only ¹S, ³P and ¹D; ³D would violate the Pauli principle.

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