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Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceTwo statementsMediumConceptual

JEE Main 17 March 2021, Shift 2, Chemistry Q44

Question 44 of 90 in this shift, Chemistry question 14 of 30, Section A.

Given below are two statements : Statement I : 2-methylbutane on oxidation with KMnO4\mathrm{KMnO_4} gives 2-methylbutan-2-ol. Statement II : n-alkanes can be easily oxidised to corresponding alcohols with KMnO4\mathrm{KMnO_4}. Choose the correct option :
  1. (1)Both statement I and statement II are correct
  2. (2)Both statement I and statement II are incorrect
  3. (3)Statement I is correct but statement II is incorrectOfficial answer
  4. (4)Statement I is incorrect but statement II is correct

Official answer

Option 3

NTA final key.

Chapter
Hydrocarbons
Topic
Alkanes and Free Radicals
Idea tested
KMnO4 Oxidation of Tertiary Alkanes

Same topic in other shifts

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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.