Learn

Saturday, 31 October

JEE Main 2021 · ChemistryMultiple choiceOtherMediumApplication

JEE Main 18 March 2021, Shift 2, Chemistry Q36

Question 36 of 90 in this shift, Chemistry question 6 of 30, Section A.

In basic medium, H2O2\mathrm{H_2O_2} exhibits which of the following reactions ? (A) Mn2+→Mn4+\mathrm{Mn^{2+}} \rightarrow \mathrm{Mn^{4+}} (B) I2→I−\mathrm{I_2} \rightarrow \mathrm{I^-} (C) PbS→PbSO4\mathrm{PbS} \rightarrow \mathrm{PbSO_4} Choose the most appropriate answer from the options given below :
  1. (1)(A) only
  2. (2)(B) only
  3. (3)(A), (B) onlyOfficial answer
  4. (4)(A), (C) only

Official answer

Option 3

NTA final key.

Chapter
Hydrogen
Topic
Hydrogen and Hydrides
Idea tested
Oxidizing Action of H2O2

Same idea in other shifts

Asked 3× in all
  1. 27 Jul 2022, Shift 1 · Q68Given below are two statements. Statement I: Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions.…MediumTwo statements
  2. 25 Feb 2021, Shift 1 · Q36Which of the following equation depicts the oxidizing nature of H2O2\mathrm{H_2O_2} ?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.