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BITSAT 2019
Exam
BITSAT
Year
2019
Subject
Chemistry
Chapter
Alcohols Phenols and Ethers

BITSAT 2019 · Chemistry · Alcohols Phenols and Ethers

Which of the following reactants is used for the preparation of...

Which of the following reactants is used for the preparation of ethyl benzene, where anhy. AlCl3{AlCl}_{3} is a catalyst?Which of the following reactants is used for the preparation of ethyl benzene, where anhy. AlCl _ 3 is a catalyst?

Options

  1. ACH3⋅CH2⋅OH+C6H6{CH}_{3} \cdot {CH}_{2} \cdot OH + {C}_{6}{H}_{6}
  2. BCH3−CH=CH2+C6H6{CH}_{3} - CH = {CH}_{2} + {C}_{6}{H}_{6}
  3. CH2C=CH2+C6H6{H}_{2}C = {CH}_{2} + {C}_{6}{H}_{6}
  4. DCH3−CH3+C6H6{CH}_{3} - {CH}_{3} + {C}_{6}{H}_{6}

Correct answer

C. H2C=CH2+C6H6{H}_{2}C = {CH}_{2} + {C}_{6}{H}_{6}

Step-by-step solution

Fridel crafts Alkylation of Benzene takes place when ALkyl halide reacted with Benzene in presence of Anhydrous AlCl3{AlCl}_{3}.

Now Alkenes can form Alkyl Benzene in Industrial process. The process involves the reaction of Benzene and Ethylene in presence of an Anhydrous AlCl3{AlCl}_{3} catalyst promoted by HClHCl.

The H2C=CH2+C6H6{H}_{2}C = {CH}_{2} + {C}_{6}{H}_{6} on reaction produce ethyl benzene as follows

Which of the following reactants is used for the preparation of ethyl benzene, where anhy. AlCl _ 3 is a catalyst?

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