1. Tardigrade
  2. Question
  3. Chemistry
  4. The stability of +1 oxidation state among textAl, Ga, In and textTl increases in the sequence:

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Q. The stability of +1 oxidation state among $\text{Al, Ga, In}$ and $\text{Tl}$ increases in the sequence:

NTA AbhyasNTA Abhyas 2020The d-and f-Block Elements

Solution:

Stability of +1 oxidation state due to inert pair effect is in the order $Al < Ga < In < Tl$