JEE Main 2023 · ChemistryNumerical answerNumerical valueHardMulti-step

JEE Main 11 April 2023, Shift 2, Chemistry Q90

Question 90 of 90 in this shift, Chemistry question 30 of 30, Section B.

The number of possible isomeric products formed when 3-chloro-1-butene reacts with HCl through carbocation formation is ____________

Official answer

NTA final key.

Chapter: Haloalkanes and Haloarenes
Topic: SN1 and SN2 Mechanisms
Idea tested: Carbocation Rearrangements in SN1

Same idea in other shifts

Asked 3× in all

8 Apr 2026, Shift 2 · Q63The major product of which of the following reaction is not obtained by rearrangement reaction ?MediumDiagram basedHas a figure
6 Apr 2024, Shift 2 · Q76Chemical reaction: (1-chloropropyl)cyclohexane [cyclohexyl ring attached to CHCl-CH2-CH3] $+$ NaOH $\xrightarrow{\mathrm{H_2O}}$ Major…MediumDiagram basedHas 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.