MHT CET 2026 Chemistry question

What is IUPAC name of the compound CH_3CH=CHCH=CHCOOH?

(A)Hexanedioic acid
(B)Hexa-2,4-dienoic acidCorrect
(C)Penta-1,3-dienoic acid
(D)Pentenedioic acid

Answer: (B)

Solution

Number the longest chain containing the group starting from the carboxyl carbon (C-1): (COOH), (), (), (), (), (). The chain has 6 carbons (hex), with double bonds starting at C-2 and C-4

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Question ID VK-098495