Cyclohexene is 2cm type of an organic compound. (a) Benzenoid aromatic (b) Benzenoid non-aromatic (c) Acyclic (d)…
General Organic Chemistry (GOC) · Class 11 · JEE Main Previous Year Question
Cyclohexene is type of an organic compound.
(a) Benzenoid aromatic
(b) Benzenoid non-aromatic
(c) Acyclic
(d) Alicyclic
- a
Benzenoid aromatic
- b
Benzenoid non-aromatic
- c
Acyclic
- d✓
Alicyclic
Alicyclic
Classification of Organic Compounds:
Organic compounds can be classified based on their structure:
- Acyclic (Open-chain): Compounds with open carbon chains (e.g., alkanes, alkenes)
- Cyclic: Compounds with closed carbon rings
- Alicyclic: Cyclic compounds that are NOT aromatic (e.g., cycloalkanes, cycloalkenes)
- Aromatic: Cyclic compounds following Hückel's rule (4n+2 π electrons)
- Benzenoid: Contain benzene ring
- Non-benzenoid: Aromatic but no benzene ring
Structure of Cyclohexene:
Cyclohexene has a six-membered ring with one C=C double bond. It does NOT contain a benzene ring and does NOT satisfy Hückel's rule for aromaticity.
Classification:
- ❌ Not acyclic (it has a ring)
- ❌ Not benzenoid (no benzene ring)
- ❌ Not aromatic (doesn't follow Hückel's rule)
- ✅ Alicyclic (cyclic, non-aromatic)
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