The compound C_6H_5-CH=CH-COOH may be called as

JEE Advanced Chemistry question

The compound may be called as

(A)Cinnamic acidCorrect
(B)Mandelic acid
(C)Citric acid
(D)3-phenylprop-2-ene-1-oic acidCorrect

Answer: (A),(D)

Solution

is the well-known compound cinnamic acid (a), whose systematic IUPAC name is 3-phenylprop-2-enoic acid, matching (d). Mandelic acid is a structurally different compound,

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Question ID VK-159232