The compound which has maximum number of chiral centres is :

Options

A.
B.
C.
D.

Explanation

To determine which compound has the maximum number of chiral centers, we will analyze each structure provided in the question step by step.

### Step 1: Understanding Chiral Centers
A chiral center (or chiral carbon) is a carbon atom that is attached to four different groups. This asymmetry is what gives rise to chirality in molecules.

### Step 2: Analyze Each Compound
We will evaluate the number of chiral centers in each compound.

#### Compound 1:
- Structure: CH3 - C - C - C (with various groups)
- Groups attached to the chiral carbons:
- One carbon has Cl, CH3, and H (asymmetric).
- The other carbon has CH2, CH, OH (asymmetric).
- **Chiral Centers Count**: 2 chiral centers.

#### Compound 2:
- Structure: CH3 - C - C - C (with various groups)
- Groups attached to the chiral carbons:
- One carbon has CH3, H, and OH (asymmetric).
- The other carbon has CH3, H, and CH3 (not asymmetric).
- **Chiral Centers Count**: 2 chiral centers.

#### Compound 3:
- Structure: C - C - C - C (with various groups)
- Groups attached to the chiral carbons:
- Several carbons with different groups, including Cl and OH.
- After analyzing, we find that there are 5 carbons that are asymmetric.
- **Chiral Centers Count**: 5 chiral centers.

#### Compound 4:
- Structure: Cyclohexane with OH and Cl groups.
- Groups attached to the chiral carbons:
- Analyzing the cyclo structure, we find only 2 carbons that are asymmetric.
- **Chiral Centers Count**: 2 chiral centers.

### Step 3: Conclusion
After analyzing all compounds, we find that **Compound 3** has the maximum number of chiral centers, which is **5**.

### Final Answer:
The compound which has the maximum number of chiral centers is **Compound 3**.

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