Questions

Select invalid set of quantum numbers for any electron in ground state electronic configuration of
potassium :

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m = 4, l = 0, m = 0, s = + \frac{1}{2}

m = 3, l = 1, m = 0, s = - \frac{1}{2}

m = 3, l = 2, m = 0, s = + \frac{1}{2}

m = 2, l = 1, m = - 1, s = - \frac{1}{2}

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detailed solution

Correct option is C

The electronic configuration of potassium :

$K \to 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2}$

Here, 3d is vacant.

For this case the value of l go from 0 to 1. Thus, option C is incorrect.

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Select invalid set of quantum numbers for any electron in ground state electronic configuration ofpotassium :