JEE Main 5 April 2024, Shift 2, Chemistry Q87

Question 87 of 90 in this shift, Chemistry question 27 of 30, Section B.

In the Claisen-Schmidt reaction to prepare 351 g of dibenzalacetone using 87 g of acetone, the amount of benzaldehyde required is ________ g. (Nearest integer)

Official answer

318

NTA final key.

Chapter: Aldehydes, Ketones and Carboxylic Acids
Topic: Aldol and Cannizzaro
Idea tested: Claisen-Schmidt Condensation

Same idea in other shifts

Asked 2× in all

8 Apr 2024, Shift 2 · Q86Two moles of benzaldehyde and one mole of acetone under alkaline conditions using aqueous NaOH after heating gives $x$ as the major…MediumNumerical value

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.