Chemistry · Nomenclature (Trivial and IUPAC)
Give IUPAC name:
Give IUPAC name:
- A. n-Butylcyclohexane
- B. Butylcyclohexane
- C. 1 -Cyclohexanylbutane
- D. 4 -Cyclohexanylbutane
Step-by-step solution
The molecule consists of a butyl group attached to a cyclohexane ring. Since the ring is larger (6 carbons) than the chain (4 carbons), cyclohexane is the parent name. The alkyl substituent is named 'butyl' without the 'n-' prefix in IUPAC nomenclature. No locant is needed for a single substituent. Therefore, the correct IUPAC name is butylcyclohexane. Options C and D incorrectly treat butane as the parent chain.
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