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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceMatch the listMediumRecall

JEE Main 8 April 2024, Shift 1, Chemistry Q68

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

Match List I with List II LIST I (Elements): A. Cl, S; B. Ge, As; C. Fr, Ra; D. F, O LIST II (Properties in their respective groups): I. Elements with highest electronegativity; II. Elements with largest atomic size; III. Elements which show properties of both metals and non-metal; IV. Elements with highest negative electron gain enthalpy Choose the correct answer from the options given below:
  1. (1)A-III, B-II, C-I, D-IV
  2. (2)A-II, B-I, C-IV, D-III
  3. (3)A-II, B-III, C-IV, D-I
  4. (4)A-IV, B-III, C-II, D-IOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Classification of Elements and Periodicity in Properties
Topic
Periodic Trends
Idea tested
Electron Gain Enthalpy

Same idea in other shifts

Asked 4× in all
  1. 2 Apr 2025, Shift 1 · Q58The property/properties that show irregularity in first four elements of group-17 is/are : (A) Covalent radius (B) Electron affinity (C)…MediumOther
  2. 31 Jan 2024, Shift 1 · Q66The correct sequence of electron gain enthalpy of the elements listed below is A. Ar B. Br C. F D. S Choose the most appropriate from the…MediumOther
  3. 28 Jul 2022, Shift 1 · Q65In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical ? (A) Rb and Cs (B) Na…MediumOther

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.