JEE Main 2023 — Hydrogen Question with Solution
From: JEE Main 2023 (Online) 8th April Evening Shift
Question
Which of the following can reduce decomposition of on exposure to light :
Choose an option
Show full solutionCorrect option: A
Correct answer
AUrea
Step-by-step explanation
Urea is a negative catalyst, which means that it slows down the rate of a chemical reaction. In the case of hydrogen peroxide, urea absorbs the light that would otherwise cause it to decompose. This prevents the reaction from happening, or at least slows it down significantly.
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This is a previous-year question from JEE Main 2023, covering the Hydrogen chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.