The most suitable reagent for the selective conversion of a primary alcohol () to an aldehyde () without over-oxidation is:

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Question

The most suitable reagent for the selective conversion of a primary alcohol ($RCH_2OH$) to an aldehyde ($RCHO$) without over-oxidation is:

Prashant Kotian · Accepted Answer

Correct answer: D. Strong oxidants like , , and aqueous will oxidize primary alcohols all the way to carboxylic acids. PCC in an anhydrous solvent stops the oxidation at the aldehyde stage.

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