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JEE Main Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsJEE Main

Amongst the following (ten structures, comprising several simple aliphatic aldehydes, formic acid, benzaldehyde, and several esters/ketones/ethers and a branched carboxylic acid), the number of compounds which reduce Tollens' reagent is/are .

Answer: 4

Solution

Tollens' reagent (ammoniacal AgNO₃) is reduced by aliphatic aldehydes and by formic acid/formates (which possess the reactive H–C=O unit), but not by aromatic aldehydes, ketones, esters (other than formates) or ordinary

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Question ID VK-150165