Q. $\alpha,\beta$- unsaturated aldehyde is formed in the sequence
A) $HCHO\ \overset{\ \ KOH\ (aq)\ }{\rightarrow}$
B) $CH_{3}CHO\ \overset{\ \ Dil.KOH\ \ }{\rightarrow}\ A\ \overset{\ \ \mathrm{\Delta}\ \ }{\rightarrow}\ B$
C) ${CCl}_{3}\ CHO\overset{\ \ KOH\ (aq)\ }{\rightarrow}$
D) [image:12_image452.emf]
Explanation
The correct answer is Option B: $CH_{3}CHO\ \overset{\ \ Dil.KOH\ \ }{\rightarrow}\ A\ \overset{\ \ \mathrm{\Delta}\ \ }{\rightarrow}\ B$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.