Alicylic compounds are

Options

A. aromatic cyclic compounds
B. aliphatic cyclic compounds
C. Both (1) and (2)
D. None of the above

Answer

### Step-by-Step Solution:

1. **Understanding the Terminology**:
- First, we need to understand what alicyclic compounds are. The term "alicyclic" combines "aliphatic" and "cyclic".

2. **Defining Aliphatic Compounds**:
- Aliphatic compounds are those that consist of carbon atoms arranged in straight or branched chains. They can be saturated (alkanes) or unsaturated (alkenes and alkynes).

3. **Defining Cyclic Compounds**:
- Cyclic compounds are those that have their carbon atoms arranged in a ring structure.

4. **Differentiating Aromatic Compounds**:
- Aromatic compounds are a specific type of cyclic compound that follows Huckel's rule, which states that a cyclic compound must have (4n + 2) π electrons to be considered aromatic. They are also planar and have delocalized π electrons.

5. **Understanding Alicyclic Compounds**:
- Alicyclic compounds are cyclic compounds that are not aromatic. They can be either saturated or unsaturated but do not have the delocalized π electrons characteristic of aromatic compounds.

6. **Examples of Alicyclic Compounds**:
- Common examples of alicyclic compounds include cyclohexane (a saturated compound) and cyclopentene (an unsaturated compound).

7. **Conclusion**:
- Therefore, alicyclic compounds are defined as aliphatic cyclic compounds that are non-aromatic.

### Final Answer:
Alicyclic compounds are aliphatic cyclic compounds that are non-aromatic.

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