JEE Main 202529 JanuaryEvening Shift

Exam: JEE Main
Year: 2025
Date: 29 January
Shift: Evening Shift
Subject: Chemistry
Chapter: Alcohols Phenols and Ethers

JEE Main 2025 · 29 January · Evening Shift · Chemistry · Alcohols Phenols and Ethers

In the Claisen-Schmidt reaction to prepare, dibenzalacetone from...

In the Claisen-Schmidt reaction to prepare, dibenzalacetone from 5.3 g of benzaldehyde, a total of 3.51 g of product was obtained. The percentage yield in this reaction was ______ %.

Correct answer

Step-by-step solution

\begin{aligned} & \text{ Theoretical }=\frac{1}{40} \mathrm{Mol} \\ & \% \text{ yield }=\frac{0.015}{1 / 40} \times 100 \\ & \Rightarrow 60 \%\end{aligned}

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