Q. Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?
A) [image:2022_Q149_opt_a.png]
B) [image:2022_Q149_opt_b.png]
C) [image:2022_Q149_opt_c.png]
D) [image:2022_Q149_opt_d.png]
Explanation
[Solution] Self-condensation of acetone gives (b); acetone enolate adding to 2-pentanone gives (d); the C-3 enolate of 2-pentanone adding to acetone gives (a). Product (c) is an ethyl ketone skeleton that cannot arise from these two reactants. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.