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Saturday, 31 October

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JEE Main 2021 · ChemistryMultiple choiceSingle correctHardRecall

JEE Main 27 August 2021, Shift 2, Chemistry Q38

Question 38 of 90 in this shift, Chemistry question 8 of 30, Section A.

Which one of the following is used to remove most of plutonium from spent nuclear fuel ?

(1) $\mathrm{I_2O_5}$
(2) $\mathrm{BrO_3}$
(3) $\mathrm{ClF_3}$
(4) $\mathrm{O_2F_2}$ Official answer

Official answer

Option 4

NTA final key.

Chapter: The p-Block Elements
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

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.