Q11 · CSIR NET Chemistry, December 2011
Paper: CSIR NET December 2011 · Subject: Physical Chemistry · Chapter: Atomic and Molecular Term Symbol · Topic: Selection Rules · Marks: 2 · Difficulty: Easy
Observe the following electronic transition of a diatomic molecule. (A) ${}^{1}\Sigma_{g}^{+} \rightarrow {}^{3}\Sigma_{g}^{+}$ (B) ${}^{1}\Sigma_{u}^{+} \rightarrow {}^{1}\Sigma_{g}^{+}$ (C) ${}^{1}\Delta_{u} \rightarrow {}^{1}\Sigma_{g}^{+}$ (D) ${}^{1}\Pi_{g} \rightarrow {}^{1}\Sigma_{u}^{+}$ The allowed transitions are
(a)(A) and (C) only
(b)(B) and (D) only
(c)(A), (B) and (C) only
(d)(A), (C) and (D) only
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.
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