JEE Main 2021 — Haloalkanes And Haloarenes Question with Solution
From: JEE Main 2021 (Online) 24th February Morning Shift
Question
The product formed in the first step of the reaction of
with excess () is
with excess () is
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Here, in first step only one mole of
Mg/ Et2O
attacks on bromine and form two 2MgBr in the first step.
On further moving in the reaction, two MgBr are eliminated to form alkene in respective positions.
On further moving in the reaction, two MgBr are eliminated to form alkene in respective positions.
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This is a previous-year question from JEE Main 2021, covering the Haloalkanes And Haloarenes 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.