Which of the following reagents is highly selective for the oxidation of a primary alcohol precisely — Alcohols Phenols and Ethers Chemistry Question
Question
Which of the following reagents is highly selective for the oxidation of a primary alcohol precisely to an aldehyde without over-oxidation to a carboxylic acid?
Answer: C
💡 Solution & Explanation
Strong oxidants like $KMnO_4$ or dichromate oxidize primary alcohols all the way to carboxylic acids. Mild oxidizing agents like PCC or $CrO_3$ in anhydrous media stop the oxidation cleanly at the aldehyde stage.
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