Given below are two statements :
Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.
Statement II : o-Nitrophenol has high melting due to hydrogen bonding. In the light of the above statements, choose the most appropriate answer from the options given below :

Options

A. Statement I is false but Statement II is true
B. Both statement I and statement II are true
C. Both statement I and statement II are false
D. Statement I is true but statement II is false

Answer

To solve the problem, we need to analyze both statements regarding o-nitrophenol and determine their validity.

### Step-by-Step Solution:

**Step 1: Analyze Statement I**
- **Statement I** claims that o-nitrophenol is steam volatile due to intramolecular hydrogen bonding.
- **Explanation**: In o-nitrophenol, the hydroxyl group (-OH) can form a hydrogen bond with the nitro group (-NO2) within the same molecule. This intramolecular hydrogen bonding stabilizes the structure and reduces the intermolecular forces that would otherwise hold the molecules together in a solid state. As a result, o-nitrophenol can vaporize more easily, making it steam volatile.
- **Conclusion**: Statement I is **True**.

**Step 2: Analyze Statement II**
- **Statement II** states that o-nitrophenol has a high melting point due to hydrogen bonding.
- **Explanation**: While hydrogen bonding does contribute to the melting point of a compound, in the case of o-nitrophenol, the presence of intramolecular hydrogen bonding means that the molecules are not held together as strongly as they would be if they were participating in intermolecular hydrogen bonding. In contrast, compounds with strong intermolecular hydrogen bonding (like p-nitrophenol) would have higher melting points due to the need for more energy to break these interactions.
- **Conclusion**: Statement II is **False**.

### Final Conclusion:
- Since Statement I is True and Statement II is False, the correct answer is that only Statement I is correct.