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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceOtherEasyRecall

JEE Main 17 March 2021, Shift 1, Chemistry Q35

Question 35 of 90 in this shift, Chemistry question 5 of 30, Section A.

The INCORRECT statement(s) about heavy water is (are) (A) used as a moderator in nuclear reactor (B) obtained as a by-product in fertilizer industry (C) used for the study of reaction mechanism (D) has a higher dielectric constant than water Choose the correct answer from the options given below :
  1. (1)(C) only
  2. (2)(B) only
  3. (3)(D) onlyOfficial answer
  4. (4)(B) and (D) only

Official answer

Option 3

NTA final key.

Chapter
Hydrogen
Topic
Hydrogen and Hydrides
Idea tested
Heavy Water Properties

Same idea in other shifts

Asked 2× in all
  1. 26 Feb 2021, Shift 1 · Q35Statements about heavy water are given below. A. Heavy water is used in exchange reactions for the study of reaction mechanisms. B. Heavy…EasyOther

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.