Which among the following the follwing attractions is strongest ?

Options

A. `HF . . . .H_(2)O`
B. `Na^(+) . . . .H..Cl`
C. `H_(2)O . . .Cl_(2)`
D. `Cl-Cl. . . Cl-Cl`

Answer

To determine which among the following attractions is strongest, we will analyze the types of bonding and interactions involved in each option provided in the question.

### Step-by-Step Solution:

1. **Identify the Types of Interactions**:
- The question likely presents several types of molecular attractions, such as hydrogen bonding, ionic bonding, and van der Waals forces. We need to identify these interactions in the given options.

2. **Analyze Hydrogen Bonding**:
- **Hydrogen Fluoride (HF) and Water (H2O)**: HF can form hydrogen bonds with water. Hydrogen bonding is a strong type of dipole-dipole interaction but is generally weaker than ionic bonds.
- **Chlorine (Cl2) and Water (H2O)**: Cl2 can also form hydrogen bonds with water, but since Cl2 is a nonpolar molecule, the interaction is weaker compared to HF.

3. **Analyze Ionic Bonding**:
- **Ionic Bonds**: When ions bond with molecules, such as in the case of an ion interacting with water (like Na+ or Cl- with H2O), this forms a strong ionic interaction. Ionic bonds are generally stronger than hydrogen bonds due to the electrostatic attraction between charged particles.

4. **Compare the Strength of Interactions**:
- **HF and H2O**: Hydrogen bonding (weaker).
- **Ionic interactions (ion and molecule)**: Stronger than hydrogen bonds.
- **Cl2 and H2O**: Weaker due to the nonpolar nature of Cl2.
- **Cl2 and Cl2**: No hydrogen bonding, weaker interactions.

5. **Conclusion**:
- Based on the analysis, the strongest attraction among the options is the ionic interaction between ions and molecules. Therefore, the correct answer is the interaction between ions and molecules.

### Final Answer:
The strongest attraction among the options is the interaction between ions and molecules.

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