Zinc does not show variable valency like d-bl | vedclass

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Question

(B) The electronic configuration of $Zn$ $(Z=30)$ is $[Ar] 3d^{10} 4s^2$. Since the $3d$ subshell is completely filled,there are no unpaired electrons

Vedclass · Accepted Answer

$d-$orbital is complete

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(B) The electronic configuration of $Zn$ $(Z=30)$ is $[Ar] 3d^{10} 4s^2$. Since the $3d$ subshell is completely filled,there are no unpaired electrons available for bonding,and the energy required to remove an electron from the stable $d^{10}$ configuration is very high. Therefore,it does not exhibit variable valency like other transition elements. Thus,the correct option is $(B)$.

Zinc does not show variable valency like $d-$block elements because

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