Learn

Friday, 9 October

JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 2 September 2020, Shift 1, Chemistry Q32

Question 32 of 75 in this shift, Chemistry question 7 of 25.

In general, the property (magnitudes only) that shows an opposite trend in comparison to other properties across a period is :
  1. (1)Electronegativity
  2. (2)Atomic radiusOfficial answer
  3. (3)Ionization enthalpy
  4. (4)Electron gain enthalpy

Official answer

Option 2

NTA final key (Sep 2020).

Chapter
Classification of Elements and Periodicity in Properties
Topic
Periodic Trends
Idea tested
Atomic and Ionic Radii Trends

Same idea in other shifts

Asked 3× in all
  1. 7 Apr 2025, Shift 2 · Q59Choose the incorrect trend in the atomic radii (r) of the elements.EasySingle correct
  2. 31 Jan 2024, Shift 2 · Q66Consider the following elements. Group ↓\downarrow A' B' →\rightarrow Period C' D' Which of the following is/are true about A', B', C'…MediumOtherHas a figure

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.