JEE Main 26 July 2022, Shift 1, Chemistry Q65

Question 65 of 90 in this shift, Chemistry question 5 of 30, Section A.

Which of the following can be used to prevent the decomposition of

\mathrm{H_2O_2}

(1)UreaOfficial answer
(2)Formaldehyde
(3)Formic acid
(4)Ethanol

Official answer

Option 1

NTA final key.

Chapter: Hydrogen
Topic: Hydrogen and Hydrides
Idea tested: Storage and Stabilization of H2O2

Same idea in other shifts

Asked 2× in all

8 Apr 2023, Shift 2 · Q66Which of the following can reduce decomposition of $\mathrm{H_2O_2}$ on exposure to lightMediumSingle 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.