The stability of +1 oxidation state among Al, | vedclass

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Question

(A) The stability of the $+1$ oxidation state increases down the group $13$ elements as $Al < Ga < In < Tl$.This is due to the inert pair effect,where

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$Al < Ga < In < Tl$

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(A) The stability of the $+1$ oxidation state increases down the group $13$ elements as $Al This is due to the inert pair effect,where the $ns^2$ electrons become increasingly reluctant to participate in bond formation due to poor shielding by $d$ and $f$ orbitals.As we move down the group,the stability of the $+1$ oxidation state increases,making $Tl^+$ the most stable among the given ions.

The stability of $+1$ oxidation state among $Al$,$Ga$,$In$ and $Tl$ increases in the sequence:

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