Which of the following is an example of hydrogen bonded solid ?

Options

A. Water
B. `CO_(2)(s)`
C. `H_(2)O(s)`
D. `SO_(2)(s)`

Answer

To determine which of the following is an example of a hydrogen-bonded solid, we will analyze the options provided and apply our understanding of hydrogen bonding.

### Step-by-Step Solution:

1. **Understanding Hydrogen Bonding**:
- Hydrogen bonding is a special type of dipole-dipole interaction that occurs when hydrogen is covalently bonded to a highly electronegative atom, such as nitrogen (N), oxygen (O), or fluorine (F). In this interaction, the hydrogen atom has a partial positive charge and is attracted to the lone pair of electrons on the electronegative atom of another molecule.

2. **Identifying the Options**:
- We need to evaluate the given options to see which one contains hydrogen bonded to a highly electronegative atom (N, O, or F).

3. **Evaluating Each Option**:
- **Option 1: Water (H2O)**: Water is a well-known example of a substance that exhibits hydrogen bonding. In solid form (ice), water molecules are held together by hydrogen bonds.
- **Option 2: Carbon Dioxide (CO2)**: CO2 does not contain hydrogen atoms, so it cannot form hydrogen bonds. Therefore, this option is not valid.
- **Option 3: Sulfur Dioxide (SO2)**: Similar to CO2, SO2 does not contain hydrogen atoms, so it cannot form hydrogen bonds. This option is also not valid.
- **Option 4: Ice (solid H2O)**: Ice is the solid form of water, where hydrogen bonding occurs between water molecules, making it a classic example of a hydrogen-bonded solid.

4. **Conclusion**:
- The only valid examples of hydrogen-bonded solids from the options are Water (H2O) and Ice (solid H2O). Since ice is the solid form of water, it confirms that both options point to the same substance.

Thus, the answer to the question is **Ice (solid H2O)**.