Which one of the following set of quantum numbers is not possible… - Vidyadip

MCQ

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

A
$n=4,\,l=1, \,m=-1, \,m_{s}=+\frac{1}{2}$
B
$n=4,\, l=1, \,m=0, \,m_{s}=+\frac{1}{2}$
✓
$n=4,\,l=1,\, m=2, \,m_{s}=+\frac{1}{2}$
D
$n=4, \,l=1, \,m=-1, \,m_{z}=-\frac{1}{2}$

✓

Answer

Correct option: C.

$n=4,\,l=1,\, m=2, \,m_{s}=+\frac{1}{2}$

c
For $4 p$ electron,

$n=4, \,l=1 m, \,m=-1,\,0+1$ and $s=+1 / 2$ or $-1 / 2$

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