JEE Main Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsJEE Main

How many isomeric carboxylic acids having the formula C₅H₁₀O₂ will give the Hell-Volhard-Zelinsky reaction? (Excluding stereoisomers)

Answer: 3

Solution

The four saturated C₅H₁₀O₂ monocarboxylic acids are pentanoic acid, 2-methylbutanoic acid, 3-methylbutanoic acid (isovaleric acid) and 2,2-dimethylpropanoic acid (pivalic acid). HVZ bromination requires

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Question ID VK-150166