JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 26 February 2021, Shift 2, Chemistry Q33

Question 33 of 90 in this shift, Chemistry question 3 of 30, Section A.

The correct order of electron gain enthalpy is :

(1)O > S > Se > Te
(2)Te > Se > S > O
(3)S > O > Se > Te
(4)S > Se > Te > OOfficial 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 10× in all

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30 Jun 2022, Shift 1 · Q66The correct order of electron gain enthalpy ( $-$ ve value) 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.