For the selection rules Δn= 1, 2, 3, 4..., Δl= +1, consider the following transitions:

M.Sc. Chemistry (PU-CET P.G) 2021 Panjab University Entrance Exam With Answers

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64.

I. 1s-> 2p II. 2s->3s III. 2p->3s IV. 3p->3d
The allowed transitions are

A: I, II and IV

B: I, II and III

C: I, III and IV

D: I, II, III and IV

The answer is: A

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