JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 26 June 2022, Shift 1, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

Choose the correct stability order of group 13 elements in their +1 oxidation state.

(1)Al < Ga < In < TlOfficial answer
(2)Tl < In < Ga < Al
(3)Al < Ga < Tl < In
(4)Al < Tl < Ga < In

Official answer

Option 1

NTA final key.

Chapter: The p-Block Elements
Topic: Group 13 & 14
Idea tested: Inert Pair Effect

Same idea in other shifts

Asked 7× in all

4 Apr 2026, Shift 2 · Q58The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale and upto one decimal point). The CORRECT…HardOther
7 Apr 2025, Shift 1 · Q60The group 14 elements A and B have the first ionisation enthalpy values of 708 and 715 kJ $\mathrm{mol^{-1}}$ respectively. The above…MediumSingle correct
7 Apr 2025, Shift 2 · Q60The correct statements from the following are : (A) $\mathrm{Tl^{3+}}$ is a powerful oxidising agent (B) $\mathrm{Al^{3+}}$ does not get…MediumOther
6 Apr 2024, Shift 2 · Q67The number of ions from the following that are expected to behave as oxidising agent is :…MediumOther
8 Apr 2024, Shift 1 · Q66Give below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The stability order of…EasyAssertion–reason
26 Feb 2021, Shift 2 · Q38Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : In $\mathrm{TlI_3}$ ,…MediumAssertion–reason

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.