A) Ni
B) Zn
C) Cu
D) Mn
Correct Answer: B
Solution :
The electronic configuration of \[Zn\] is \[(Ar)3{{d}^{10}}4{{s}^{2}}\]. Hence due to complete d-subshell, it does not show variable valency.You need to login to perform this action.
You will be redirected in
3 sec