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JEE Main 202127 AugustMorning Shift
Exam
JEE Main
Year
2021
Date
27 August
Shift
Morning Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Main 2021 · 27 August · Morning Shift · Chemistry · Aldehydes and Ketones

In the following sequence of reactions, the final product D is:

In the following sequence of reactions, the final product DD is:

In the following sequence of reactions, the final product D is:

Options

  1. AIf a substance ' A ' dissolves in solution of a mixture of ' B ' and ' C ' with their respective number of moles as n _
  2. BIf a substance ' A ' dissolves in solution of a mixture of ' B ' and ' C ' with their respective number of moles as n _
  3. CIf a substance ' A ' dissolves in solution of a mixture of ' B ' and ' C ' with their respective number of moles as n _
  4. DIf a substance ' A ' dissolves in solution of a mixture of ' B ' and ' C ' with their respective number of moles as n _

Correct answer

A. If a substance ' A ' dissolves in solution of a mixture of ' B ' and ' C ' with their respective number of moles as n _

Step-by-step solution

In the following sequence of reactions, the final product D is:

Terminal alkyne reacts sodamide to produce sodium salt of alkyne by elimination of ammonia molecule. Sodium salt of alkyne reacts with alkyl halide by nucleophilic substitution reaction mechanism. Secondary alcohol is oxidised by CrO3{CrO}_{3} to produce ketone.

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