(B) The electronic configuration of $Zn$ is $[Ar] 3d^{10} 4s^2$ and $Cd$ is $[Kr] 4d^{10} 5s^2$. Because their $d$-subshells are completely filled,the

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their $d$-subshells are completely filled

(B) The electronic configuration of $Zn$ is $[Ar] 3d^{10} 4s^2$ and $Cd$ is $[Kr] 4d^{10} 5s^2$. Because their $d$-subshells are completely filled,the $d$-electrons are not available for bonding. Consequently,they do not exhibit variable valency like other transition elements.

Class 12 Chemistry The d- and f-Block Elements General Characteristics

Easy

$Zn$ and $Cd$ metals do not show variable valency because

A
they have only two electrons in the outermost subshells
B
their $d$-subshells are completely filled
C
their $d$-subshells are partially filled
D
they are relatively soft metals

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The d- and f-Block Elements

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General Characteristics

Which of the following is not a representative element?

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Among $Fe^{2+}$, $Fe^{3+}$, $Cr^{2+}$ and $Zn^{2+}$, the ion that shows positive borax bead test and with highest ionisation enthalpy is:

DifficultJEE MAIN 2026

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What is the general electronic configuration for the $2^{nd}$ row transition series?

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Among the following pairs of ions,the lower oxidation state in aqueous solution is more stable than the other in:

MediumAIIMS 2005

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Which one of the following characteristics of the transition metals is associated with their catalytic activity?

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$Zn$ and $Cd$ metals do not show variable valency because

Similar Questions

Which of the following is not a representative element?

Among $Fe^{2+}$, $Fe^{3+}$, $Cr^{2+}$ and $Zn^{2+}$, the ion that shows positive borax bead test and with highest ionisation enthalpy is:

What is the general electronic configuration for the $2^{nd}$ row transition series?

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