MCQ
Which of the following element does not show variable valency
- A$Ni$
- ✓$Zn$
- C$Cu$
- D$Mn$
✓
Answer
Correct option: B.
$Zn$
b
(b)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.
(b)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.
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