STATEMENT -1 : Diamond is a covalent solid .
STATEMENT -2 The co-ordination number of each carbon atom is diamond is 4

Options

A. If both the statement are TRUE and STATEMENT -2 is the correct explanation of STATEMENT -1
B. If both the statement are TRUE and STATEMENT -2 is NOT the correct explanation of STATEMENT -1
C. If STATEMENT -1 is the correcct and TRUE and STATEMENT -2 is FALSE
D. If STATEMENT -1 is the correcct and FALSE and STATEMENT -2 is TRUE

Answer

To analyze the given statements about diamond, we can break down the problem into the following steps:

### Step 1: Evaluate Statement 1
**Statement 1**: Diamond is a covalent solid.
- **Analysis**: Diamond is indeed classified as a covalent solid. This is because it is composed of carbon atoms that are bonded together through covalent bonds. In a covalent solid, atoms are held together by the sharing of electrons, which is characteristic of covalent bonding. Therefore, this statement is **true**.

### Step 2: Evaluate Statement 2
**Statement 2**: The coordination number of each carbon atom in diamond is 4.
- **Analysis**: In diamond, each carbon atom is tetrahedrally coordinated to four other carbon atoms. This means that each carbon atom forms four covalent bonds with four neighboring carbon atoms. As a result, the coordination number of each carbon atom in diamond is indeed 4. Thus, this statement is also **true**.

### Step 3: Determine the Relationship Between the Statements
- Now we need to assess whether Statement 2 is the correct explanation of Statement 1. While both statements are true, the nature of diamond being a covalent solid is primarily due to the covalent bonding between carbon atoms, rather than solely because of the coordination number of 4. The coordination number is a characteristic of the structure but does not explain why diamond is a covalent solid.

### Conclusion
- Both statements are true, but Statement 2 is not the correct explanation for Statement 1. Therefore, the final answer is:
- **Both statements are true, but Statement 2 is not the correct explanation of Statement 1.**

### Final Answer
**B**: Both statements are true but Statement 2 is not the correct explanation of Statement 1.

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