JEE Main 2020 — Aldehydes and Ketones Question with Solution
JEE Main 2020 (06 Sep Shift 2)
Question
The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is :
| Item-I | Item-II | ||
| (I) | Benzene | (P) | and |
| (II) | Benzonitrile | (Q) | and quinoline |
| (III) | Benzoyl Chloride | (R) |
Choose an option
Show full solutionCorrect option: C
Correct answer
C(I)-(R), (II)-(P) and (III)-(Q)
Step-by-step explanation
 | Gatterman-Koach reaction |
 Reduction | Stephan Reduction |
 | Rosenmund Reduction |
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This is a previous-year question from JEE Main 2020, 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.