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Question

Chemistry Question on Nomenclature Of Organic Compounds

According to IUPAC system, the compound
Problem Fig

A

Cyclohex-1-en-2-ol

B

1-Hydroxyhex-2-ene

C

Cyclohex-1-en-3-ol

D

Cyclohex-2-en-1-ol

Answer

Cyclohex-2-en-1-ol

Explanation

Solution

The compound has a hydroxyl group (-OH) attached to the first carbon in the cyclohexene ring, and the double bond is at the second carbon. According to IUPAC nomenclature: - The base name ”Cyclohex” comes from the cyclohexane ring. - The double bond is between positions 2 and 3, so we have ”Cyclohex-2-en”. - The hydroxyl group is at position 1, so the name ends with ”1-ol”. Thus, the correct IUPAC name is ”Cyclohex-2-en-1-ol”.
The Correct Answer is: Cyclohex-2-en-1-ol