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Question

Chemistry Question on d block elements

The number of unpaired electrons in Zn2+Zn^{2+} is

A

2

B

3

C

4

D

0

Answer

0

Explanation

Solution

Zn(Z = 30) : [Ar]18 3d10 4s2[Ar]^{18} \, 3d^{10}\, 4s^2 Zn2+:[Ar]183d10 Zn^{2+} : [Ar]^{18} 3d^{10} No. of unpaired electrons = 0.