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Multi-Electron Configurations and Orbital Diagrams

An electron i...

Question

An electron in H-atom in N shell on de excitation maximum number of spectral lines produced will be:

A

1

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B

2

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C

6

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D

10

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Solution

The correct option is C 6
N shell
$\Rightarrow n = 4$
No of spectral lines = $\frac{n (n - 1)}{2}$
$= \frac{4 \times 3}{2}$
$= 6$

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