Q. Set of quantum numbers $( n , /, m , s )$ for the valence electron of potassium is

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A

$3,1,1,+1 / 2$

B

$3,0,0,+1 / 2$

C

$4,0,0,-1 / 2$

D

$4,0,1,+1/2$

Solution:

Correct answer is (c) $4,0,0,-1 / 2$

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the number of sigma(s) bonds present in the product A is :-

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