Chemistry · IUPAC Nomenclature
JEE Main 2024 — 27 January, Shift 1 — Question 69
IUPAC name of following compound is :

- Option A:
1-Ethyl-5,5-dimethyl cyclohexane
- Option B:
3-Ethyl-1,1-dimethyl cyclohexane
- Option C:
1-Ethyl-3, 3-dimethyl cyclohexane
- Option D:Correct
1,1-Dimethyl-3-ethyl cyclohexane
Answer: D
Step-by-step solution
The structure shows:
A cyclohexane ring
At carbon 1, there are two methyl groups → 1,1-dimethyl
At carbon 3, there is an ethyl group

Answer key and solution verified before publishing.
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- Exam
- JEE Main 2024
- Paper
- 27 January, Shift 1
- Subject
- Chemistry
- Chapter
- IUPAC Nomenclature
- Topic
- Basics of IUPAC naming + Naming Hydrocarbons