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JEE Main 202227 JuneEvening Shift
Exam
JEE Main
Year
2022
Date
27 June
Shift
Evening Shift
Subject
Chemistry
Chapter
Hydrocarbons

JEE Main 2022 · 27 June · Evening Shift · Chemistry · Hydrocarbons

Product ' A ' of following sequence of reactions is

Product 'AA' of following sequence of reactions is

Product ' A ' of following sequence of reactions is

Options

  1. AWhat occurs to the mineral and gangue particles in the Froth Floatation method concerning their wetting properties?
  2. BWhat occurs to the mineral and gangue particles in the Froth Floatation method concerning their wetting properties?
  3. CWhat occurs to the mineral and gangue particles in the Froth Floatation method concerning their wetting properties?
  4. DWhat occurs to the mineral and gangue particles in the Froth Floatation method concerning their wetting properties?

Correct answer

D. What occurs to the mineral and gangue particles in the Froth Floatation method concerning their wetting properties?

Step-by-step solution

In the first step ethyl benzene undergoes electrophilic substitution reaction to form 1-Bromo-4-ethylbenzene.

In the next step 1-Bromo-4-ethylbenzene undergoes free radical substitution at benzylic position followed by dehydrohalogenation(last step) in presence of alcoholic KOH to form 4-bromo styrene.

Product ' A ' of following sequence of reactions is

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