JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 8 January 2020, Shift 2, Chemistry Q32

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

The increasing order of the atomic radii of the following elements is : (a) C (b) O (c) F (d) Cl (e) Br

(1)(a) < (b) < (c) < (d) < (e)
(2)(b) < (c) < (d) < (a) < (e)
(3)(c) < (b) < (a) < (d) < (e)Official answer
(4)(d) < (c) < (b) < (a) < (e)

Official answer

Option 3

NTA final key (Jan 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 6× in all

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2 Sep 2020, Shift 1 · Q32In general, the property (magnitudes only) that shows an opposite trend in comparison to other properties across a period is :EasySingle correct

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.