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The quantum number of four electrons are...

The quantum number of four electrons are given below:
I. `n=4,l=2,m_l=-2,m_s=-1/2` II. `n=3,l=2,m_l=1,m_s=+1/2`
`III. n = 4 , l =1 ,m _l=0 ,m_s=+1/2`
IV. `n=3,l=1,m_l=1,m_s=-1/2`
The correct order of their increasing energies will be

A

`I lt II lt III lt IV`

B

`I lt III lt II lt IV`

C

`IV lt II lt III lt I`

D

`IV lt III lt II lt I`

Text Solution

Verified by Experts

The correct Answer is:
C
From n + l rule the increasing order of energies of electrons will be `IV lt II lt III lt I`.
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