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JEE Main 202118 MarchEvening Shift
Exam
JEE Main
Year
2021
Date
18 March
Shift
Evening Shift
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Main 2021 · 18 March · Evening Shift · Chemistry · Aldehydes and Ketones

Consider the above reaction, the product X and Y respectively are :

Consider the above reaction, the product X and Y respectively are :

Consider the above reaction, the product XX and YY respectively are :

Options

  1. AThe product ( P ) formed from the following multistep reaction is:
  2. BThe product ( P ) formed from the following multistep reaction is:
  3. CThe product ( P ) formed from the following multistep reaction is:
  4. DThe product ( P ) formed from the following multistep reaction is:

Correct answer

C. The product ( P ) formed from the following multistep reaction is:

Step-by-step solution

This is an aldol condensation reaction.There are few steps take place in this reaction:

Step 1: Acid base reaction takes place in between base and alpha hydrogen of cyclo pentanone and carbanion is formed.

Step 2: In this step formed carbanion behaves as nucleophile and attack on carbonyl compound carbon.

Step 3: Water gives proton and release hydroxide ion as shown below

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