JEE Main 2020 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 9 January 2020, Shift 1, Chemistry Q35

Question 35 of 75 in this shift, Chemistry question 10 of 25, Section A.

The compound that cannot act both as oxidising and reducing agent is :

(1) $\mathrm{HNO_2}$
(2) $\mathrm{H_2O_2}$
(3) $\mathrm{H_2SO_3}$
(4) $\mathrm{H_3PO_4}$ Official answer

Official answer

Option 4

NTA final key (Jan 2020).

Chapter: Redox Reactions
Topic: Redox Reactions
Idea tested: Identifying Redox Agents

Same idea in other shifts

Asked 3× 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.