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

1 2015 AIPMT-II The p-Block ElementsGroup 13 elements Easy
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence:
A Tl < In < Ga < Al
B In < Tl < Ga < Al
C Ga < In < Al < Tl
D Al < Ga < In < Tl

Detailed Solution

Due to the inert pair effect, the stability of the +1 oxidation state increases down group 13: Al < Ga < In < Tl.

Group 13 elements in past papers

3 questions from this chapter have appeared across 3 exam years.

More questions from Group 13 elements

Keep going

Practise Group 13 elements All 3 questions This chapter in 2015 AIPMT-II