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. It shows only +2 valency.You need to login to perform this action.
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