JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 28 June 2022, Shift 2, Chemistry Q68

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

Hydrogen has three isotopes : protium (

^1

H) , deuterium (

^2

H or D) and tritium (

^3

H or T) . They have nearly same chemical properties but different physical properties. They differ in

(1)number of protons.
(2)atomic number.
(3)electronic configuration.
(4)atomic mass.Official answer

Official answer

Option 4

NTA final key.

Chapter: Hydrogen
Topic: Hydrogen and Hydrides
Idea tested: Isotopes of Hydrogen

Same idea in other shifts

Asked 5× in all

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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.