Chemistry · IUPAC Nomenclature
JEE Main 2025 — 8 April, Evening Shift — Question 9
What is the correct IUPAC name of

- Option A:Correct
4-Ethylcyclopent-2-en-1-ol
- Option B:
4-Ethyl-1-hydroxycyclopent-2-ene
- Option C:
1-Ethyl-3-hydroxycyclopent-2-ene
- Option D:
1-Ethylcyclopent-2-en-3-ol
Answer: A
Step-by-step solution
4-Ethylcyclopent-2-en-1-ol

Answer key and solution verified before publishing.
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- Exam
- JEE Main 2025
- Subject
- Chemistry
- Chapter
- IUPAC Nomenclature
- Topic
- IUPAC Naming of Organic Molecules - All Remaining Cases