Question

The stability of +1 oxidation state among Al, Ga, In and Tl
increases in the sequence : [2015 RS]
(a) Ga < In < Al < Tl (b) Al < Ga < In < Tl
(c) Tl < In < Ga < Al (d) In < Tl < Ga < Al

Answer 1

Answer:

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

Explanation:

This is due to inert pair effect due to which, on moving down the group, the stability of +3 oxidation state decreases while the stability of +1 oxidation state increases.

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Answer 2

Hello Friend.!!

The answer of your question is..!!

Option.C

Thank you..!!