JEE Main 2014ChemistryAlcohols Phenols and EthersMediumMCQ

JEE Main 2014 — Alcohols Phenols and Ethers Question with Solution

JEE Main 2014 (06 Apr)

Question

The most suitable reagent for the conversion of R - CH 2 - OH → R - CHO is :

Choose an option

Show full solutionCorrect option: D
Correct answer
DPCC (Pyridinium Chlorochromate)

Step-by-step explanation

• KMnO4 will oxidize the alcohol to carboxylic acid.
• K2Cr2O7 will also make carboxylic acids.
• ​CrO3 in acetic acid is Jones reagent, it also converts alcohols to carboxylic acid.
•​ PCC is a weak oxidising agent. It limits the oxidation to the aldehyde.

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About this question

This is a previous-year question from JEE Main 2014, covering the Alcohols Phenols and Ethers 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.