The term symbol of a molecule with electronic configuration: (1σg)²(1σu)²(2σg)²(2σu)²(1πu)¹(1πu)¹ is: · ABC26IN0986

Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Electron Transfer Redox · Exam: CSIR NET JUNE 2011 · Marks: 2 · Difficulty: Medium

The term symbol of a molecule with electronic configuration: $(1\sigma_{g})^{2}(1\sigma_{u})^{2}(2\sigma_{g})^{2}(2\sigma_{u})^{2}(1\pi_{u})^{1}(1\pi_{u})^{1}$ is:

(a)$^{1}\Sigma_{g}^{+}$

(b)$^{3}\Sigma_{g}^{-}$

(c)$^{1}\Sigma_{g}^{-}$

(d)$^{3}\Sigma_{g}^{+}$

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

(πu)² with parallel spins: ³Σg⁻ (b).

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