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JEE Main 20172 April
Exam
JEE Main
Year
2017
Date
2 April
Subject
Chemistry
Chapter
Haloalkanes and Haloarenes

JEE Main 2017 · 2 April · Chemistry · Haloalkanes and Haloarenes

The major product obtained in the following reaction is,

The major product obtained in the following reaction is,

The major product obtained in the following reaction is,

Options

  1. AC6H5CH=CHC6H5{C}_{6}{H}_{5}CH = {CHC}_{6}{H}_{5}
  2. B(+)C6H5CH(OtBu)CH2C6H5\left(+\right){C}_{6}{H}_{5}CH\left(OtBu\right){CH}_{2}{C}_{6}{H}_{5}
  3. C(−)C6H5CH(OtBu)CH2C6H5\left(-\right){C}_{6}{H}_{5}CH\left(OtBu\right){CH}_{2}{C}_{6}{H}_{5}
  4. D(±)C6H5CH(OtBu)CH2C6H5\left(\pm\right){C}_{6}{H}_{5}CH\left(OtBu\right){CH}_{2}{C}_{6}{H}_{5}

Correct answer

A. C6H5CH=CHC6H5{C}_{6}{H}_{5}CH = {CHC}_{6}{H}_{5}

Step-by-step solution

Tert-butyl oxide is a strong base and a weak nucleophile.

In presence of a strong base and heat, elimination reaction favours over substitution reaction.

The type of elimination taking place here is β\beta-elimination

The major product obtained in the following reaction is,So, option A is the correct answer.

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