JEE Main 2023 — Aldehydes and Ketones Question with Solution
JEE Main 2023 (08 Apr Shift 1)
Question
. Match List I with List II :
| List I (Reagents used) | List II (Compound with Functional group detected) | ||
| A. | Alkaline solution of copper sulphate and sodium citrate | I. |  |
| B. | Neutral solution | II. |  |
| C. | Alkaline chloroform solution | III. |  |
| D. | Potassium iodide and sodium hypochloride | IV |  |
Choose the correct answer from the options given below :
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Show full solutionCorrect option: B
Step-by-step explanation
(A) Aldehydes give red precipitate with Fehling's solution.
(B) Phenols give violet colour with neutral ferric chloride solution
(C) Primary amines give isocyanides with chloroform in the presence of alkali. This reaction known as carbylamine reaction.
(D) 1-phenylethanol give haloform reaction with sodium hypochlorite. The products are benzoate and chloroform.
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This is a previous-year question from JEE Main 2023, covering the Aldehydes and Ketones chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.