- 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 and respectively are :
Options
- A

- B

- C

- D

Correct answer
C. 
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
Practice Aldehydes and Ketones on Quantrex Academy →
More from Aldehydes and Ketones
Consider the following reaction. The major product (P) formed is: JEE Main 2026' x ' is the product which is obtained from benzene by reacting it with carbon monoxide… JEE Main 2026' x ' is the product which is obtained by the hydrolysis of prop-1-yne in the presence of… JEE Main 2026Given below are two statements: Statement-I: The condensation reaction between CH_3-CH=O… JEE Main 2026An organic compound " x " where molar ratio of C, O and H are equal, on treatment with… JEE Main 2026Given below are the four isomeric compounds (P, Q, R, S) Identify correct statements from… JEE Main 2026Given below are two statements: Statement I : Cross aldol condensation between two… JEE Main 2026Which of the following statements are TRUE about Haloform reaction?: A. Sodium… JEE Main 2026
Full Aldehydes and Ketones list
All JEE Main PYQs