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Not considering the electronic spin, the...

Not considering the electronic spin, the degeneracy of the second excited state `(n = 3)` of H atom is 9, while the degeneracy of the second excited state of `H^(-)` is :

A

3

B

5

C

2

D

4

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Verified by Experts

The correct Answer is:
A
For `H^(-2)` nd excited state is `2p`, thus degeneracy is 3.
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