NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

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Which of the following can not be used to oxidise primary alcohols to aldehydes

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Correct option: C

KMn{O_4}

in acidic medium

Option C (

KMn{O_4}

in acidic medium) is correct because

KMn{O_4}

in acidic medium is a strong oxidizing agent that typically oxidizes primary alcohols all the way to carboxylic acids, not just aldehydes.

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{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}\xrightarrow{{{\text{PCC}}}}{\text{A}}\xrightarrow[{\left( {{\text{ii}}} \right){\text{ }}{{\text{H}}_2}{\text{O/}}{{\text{H}}^ + }}]{{\left( {\text{i}} \right){\text{ HCN}}}}{\text{B}}

\mathrm{O}_2

{\mathrm{P}_2}{\mathrm{S}_5}