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Multiple Choice
What is the common name for this alcohol?
A
Pentyl alcohol.
B
Cyclohexyl alcohol.
C
Cyclopropyl alcohol.
D
Cyclopentyl alcohol.
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Verified step by step guidance
1
Identify the structure of the compound by counting the number of carbon atoms in the ring. In this case, the ring has 5 carbon atoms, which corresponds to a cyclopentane ring.
Recognize the functional group attached to the ring. The -OH group indicates that the compound is an alcohol.
Combine the ring name with the alcohol suffix. Since the ring is cyclopentane and there is an -OH group, the base name becomes cyclopentanol.
Determine the common name by using the alkyl group name derived from the ring and adding 'alcohol'. The alkyl group from cyclopentane is cyclopentyl, so the common name is cyclopentyl alcohol.
Confirm that the -OH group is attached directly to the cyclopentane ring, which matches the structure shown, validating the name cyclopentyl alcohol.