Question:
The relative stability of $+1$ oxidation state of group 13 elements follows the order :-
Correct Option: , 3
Solution:
Due to inert pair effect as we move down the group in $13^{\text {th }}$ group lower oxidation state becomes more stable.
$\mathrm{Al}<\mathrm{Ga}<\mathrm{In}<\mathrm{T} \ell$
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