Which element does not show the inert pair ef | vedclass

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Question

(A) The inert pair effect refers to the tendency of the $ns^2$ electrons in the valence shell of heavier $p$-block elements to remain paired and not p

Vedclass · Accepted Answer

$Al$

Vedclass · Answer

(A) The inert pair effect refers to the tendency of the $ns^2$ electrons in the valence shell of heavier $p$-block elements to remain paired and not participate in bond formation.This effect is observed due to the poor shielding of the nucleus by intervening $d$ and $f$ orbitals,which makes the $ns^2$ electrons more tightly held.Since $Al$ (Aluminium) belongs to the third period and lacks $d$ and $f$ orbitals,it does not exhibit the inert pair effect.Therefore,$Al$ is the correct answer.

Which element does not show the inert pair effect?

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