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>>Class 11
>>Chemistry
>>Structure of Atom
>>Filling of Orbitals in Atom
>> $The electronic configuration of Mn^+2 is$

Question

The electronic configuration of $M n^{+ 2}$ is:

A

$[A r] 3 d^{4} 4 s^{1}$

B

$[A r] 3 d^{5} 4 s^{0}$

C

$[K r] 4 d^{5} 4 s^{0}$

D

$[A r] 3 d^{3} 4 s^{2}$

Medium

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Updated on : 2022-09-05

Solution

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Correct option is B)

Mn has Atomic number = 25 ,
So electronic configuration of $M n^{+ 2}$ will be $[A r] 3 d^{5} 4 s^{0}$

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