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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceTwo statementsEasyRecall

JEE Main 8 April 2024, Shift 2, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

Given below are two statements : Statement (I) : Fusion of MnO2\mathrm{MnO_2} with KOH and an oxidising agent gives dark green K2MnO4\mathrm{K_2MnO_4}. Statement (II) : Manganate ion on electrolytic oxidation in alkaline medium gives permanganate ion. In the light of the above statements, choose the correct answer from the options given below :
  1. (1)Both Statement I and Statement II are trueOfficial answer
  2. (2)Both Statement I and Statement II are false
  3. (3)Statement I is true but Statement II is false
  4. (4)Statement I is false but Statement II is true

Official answer

Option 1

NTA final key.

Chapter
The d- and f-Block Elements
Topic
d-Block Elements
Idea tested
Preparation Steps of Potassium Permanganate

Same idea in other shifts

Asked 2× in all
  1. 30 Jan 2024, Shift 2 · Q69Alkaline oxidative fusion of MnO2\mathrm{MnO_2} gives "A" which on electrolytic oxidation in alkaline solution produces B. A and B…EasySingle correct

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.