JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 26 July 2022, Shift 1, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to :

(1)Hyperconjugation in substrate
(2)Polarity of solventOfficial answer
(3)Free radical formation
(4)Electromeric effect the substrate

Official answer

Option 2

NTA final key.

Chapter: Alcohols, Phenols and Ethers
Topic: Alcohols and Phenols
Idea tested: Phenol Bromination Solvent Effect

Same idea in other shifts

Asked 3× in all

5 Apr 2024, Shift 1 · Q77Given below are two statement : Statements I : Bromination of phenol in solvent with low polarity such as $\mathrm{CHCl_3}$ or…EasyTwo statements
25 Jul 2021, Shift 1 · Q45[figure: phenol converted to 4-bromophenol (Major Product)] The given reaction can occur in the presence of : (a) Bromine water (b)…MediumSingle correctHas a figure

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.