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Question

What is the correct IUPAC name of the compound CH3CH=CHCH=CHCOOH?

A
Hexenedioc acid
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B
Hexa-2,4-dienedioic acid
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C
Penta-1,3-diendiioc acid
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D
Pentenedioc acid
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Solution

The correct option is B Hexa-2,4-dienedioic acid
The compound consists of six carbon atoms including the carboxyl carbon thus, it is a derivative of hexanoic acid. The only substituents are two double bonds at the second and fourth carbon considering that the carboxyl carbon is the number one. Hence, the correct IUPAC name will be hexa-2,4-diendioic acid.

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