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Which of the following element doesnot s...

Which of the following element doesnot show variable valency

A

Ni

B

Zn

C

Cu

D

Mn

Text Solution

Verified by Experts

The correct Answer is:
B
The electronic configuration of Zn is `(Ar)3d^(10)4s^(2)`.
Hence due to complete d-subshell, it does not show variable valency.
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