14 JEE Main 2026 Aldehydes and Ketones previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the Aldehydes and Ketones chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Aldehydes and Ketones chapter hub.
Given below are the four isomeric compounds (P, Q, R, S) Identify correct statements from below. A. Q, R and S will giv…
Given below are two statements: Statement I : Cross aldol condensation between two different aldehydes will always prod…
' x ' is the product which is obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid f…
An organic compound "x" where molar ratio of C, O and H are equal, on treatment with 50\% KOH under reflux followed by…
Iodoform test can differentiate between A. Methanol and Ethanol B. CH₃ COOH and CH₃ CH₂ COOH C. Cyclohexene and cyclohe…
Consider the following reaction. The major product (P) formed is:
An organic compound " P " of molecular formula C₆ H₁₂ O₃ gives positive Iodoform test but negative Tollen's test. When…
'x' is the product which is obtained by the hydrolysis of prop-1-yne in the presence of mercuric sulphate under dilute…
Match the LIST-I with LIST-II array|c|l|c|l| & List-I (Reagents) & & List-II (Name of reaction \ & & & involving carbon…
Match List - I with List - II. arrayl List - I & List - II \ Reagents & Reaction Name (Involving aldehydes) \ A. H₂, Pd…
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