Question:medium

Which of the following reagents can convert an aldehyde to a primary alcohol?

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Use NaBH\textsubscript{4} for selective reduction of aldehydes and ketones to alcohols; it does not reduce carboxylic acids or esters.

Updated On: Nov 26, 2025

PCC (Pyridinium chlorochromate)
$NaBH_{4} $(Sodium borohydride)
$KMnO_{4}$ (Potassium permanganate)
$HNO_{3}$ (Nitric acid)

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