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Friday, 9 October

JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 31 January 2024, Shift 2, Chemistry Q86

Question 86 of 90 in this shift, Chemistry question 26 of 30, Section B.

Number of moles of H+\mathrm{H^+} ions required by 1 mole of MnO4−\mathrm{MnO_4^-} to oxidise oxalate ion to CO2\mathrm{CO_2} is ________.

Official answer

4

NTA final key.

Same idea in other shifts

Asked 2× in all
  1. 13 Apr 2023, Shift 2 · Q88See the following chemical reaction:…EasyNumerical value

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 42 of the 174 JEE Main shifts held from 2017 to 2026.