Q. In the reaction, $C_{6}H_{5}COOH + CH_{3}\begin{matrix} * \\ O \end{matrix}H\overset{H^{+}}{\rightarrow}$ Ester + water

A) Isotopically labeled oxygen $(O^{18})$ is present in water
B) $O^{18}$ is present with ester
C) $O^{18}$ shifts from acid to alcohol
D) No reaction takes place
Explanation

The correct answer is Option B: $O^{18}$ is present with ester.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.