Which of the following are correctly matched with name of bond present between them ?

Options

A. ice cubes pressed together -
Hydrogen bonding
B. Hydrated sodium ions with hydrated chloride ion - Dipole-dipole interaction
C. `{:("Joining Entities" ,, "Bond"), (H_(2)O " gas molecule" ,, "Hydrogen bonding "):}`
D. `{:("Joining Entities" ,, "Bond"), (" HCl gas molecules " ,, "London's dispersive force "):}`

Answer

To determine which pairs are correctly matched with the names of the bonds present between them, we will analyze each option step by step.

### Step 1: Analyze the first pair - Ice cubes and Hydrogen bonding
- Ice cubes are made of water (H2O) molecules, which are held together by hydrogen bonds due to the polar nature of water.
- **Conclusion**: This pair is correctly matched.

### Step 2: Analyze the second pair - Hydrated sodium ions and Hydrated chloride ions
- Hydrated sodium ions (Na⁺) and hydrated chloride ions (Cl⁻) exist in a solution where water molecules surround these ions.
- The interaction between the ions and water molecules involves dipole-dipole interactions because water is a polar molecule.
- **Conclusion**: This pair is correctly matched.

### Step 3: Analyze the third pair - H2O gas molecules and Hydrogen bonding
- In gaseous state, water molecules (H2O) do not exhibit hydrogen bonding as they do in solid or liquid states due to the increased distance between molecules and lack of close interactions.
- **Conclusion**: This pair is incorrectly matched.

### Step 4: Analyze the fourth pair - HCl gas molecules and London dispersive force
- HCl is a polar molecule, and the primary interaction between HCl molecules in the gas phase is dipole-dipole interaction, not London dispersion forces.
- **Conclusion**: This pair is incorrectly matched.

### Final Conclusion
The correctly matched pairs are:
- A: Ice cubes and Hydrogen bonding (Correct)
- B: Hydrated sodium ions and Hydrated chloride ions (Correct)
- C: H2O gas molecules and Hydrogen bonding (Incorrect)
- D: HCl gas molecules and London dispersive force (Incorrect)

Thus, the correct options are A and B.

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