Match List I with List II List I | List II A. Melting Point [K] | I. $\mathrm{Tl>In>Ga>Al>B}$ B. Ionic Radius [$\mathrm{M^{+3}}$/pm] | II. $\mathrm{B>Tl>Al\approx Ga>In}$ C. $\Delta_iH_1$ [kJ mol$^{-1}$] | III. $\mathrm{Tl>In>Al>Ga>B}$ D. Atomic Radius [pm] | IV. $\mathrm{B>Al>Tl>In>Ga}$ Choose the correct answer from the options given below:

Option 1: A-IV, B-I, C-II, D-III

JEE Main 2024 · ChemistryMultiple choiceMatch the listHardRecall

JEE Main 9 April 2024, Shift 2, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 of 30, Section A.

Match List I with List II List I | List II A. Melting Point [K] | I.

\mathrm{Tl>In>Ga>Al>B}

B. Ionic Radius [

\mathrm{M^{+3}}

/pm] | II.

\mathrm{B>Tl>Al\approx Ga>In}

\Delta_iH_1

[kJ mol

^{-1}

] | III.

\mathrm{Tl>In>Al>Ga>B}

D. Atomic Radius [pm] | IV.

\mathrm{B>Al>Tl>In>Ga}

Choose the correct answer from the options given below:

(1)A-IV, B-I, C-II, D-IIIOfficial answer
(2)A-III, B-IV, C-I, D-II
(3)A-II, B-III, C-IV, D-I
(4)A-I, B-II, C-III, D-IV

Official answer

Option 1

NTA final key.

Chapter: Classification of Elements and Periodicity in Properties
Topic: Group 13 & 14
Idea tested: Group 13 Ionization Energy Trend

Same idea in other shifts

Asked 5× in all

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 42 of the 174 JEE Main shifts held from 2017 to 2026.