Challenging9 past questions

Aldol Condensation and Related Reactions

Learn the mechanism, requirements, and products of aldol condensation, including cross-aldol and dehydration to α,β-unsaturated carbonyls.

Why this shows up in the exam

Mechanism steps and product prediction are common exam topics.

How NEET tests this

Application · 6 QsDirect recall · 3 QsStatement analysis

Practise it

These are real questions from past NEET papers that test this exact idea.

Question 1 of 9NEET 2022

Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?

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More challenging

18 harder questions built from the past papers above — a step up in difficulty, with distractors designed so you can't get there by elimination. Written and checked by our reviewers, not from a real paper.

Question 1 of 18

A compound 'X' with molecular formula C₅H₁₀O gives a positive iodoform test but does not react with Tollens' reagent. When 'X' is treated with dilute NaOH, it undergoes self-condensation to give a product 'Y'. What is the structure of 'X'?