1.

Which one of the following set of quantum numbers is not possible for 4p electron?

Answer»

`n=4,l=1,m=-1,m_(s)=+1/2`
`n=4,l=1,m=0,m_(s)=+1/2`
`n=4,l=1,m=2,m_(s)=+1/2`
`n=4,l=1,m=-1,m_(s)=-1/2`

SOLUTION :For 4P, n=4 ,l=1 ,m=-1,0,+1
`m_(s)=+1/2` or `-1/2`. As l=1 , m cannot be EQUAL to 2.


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