The solution of which of the following will be non - conducting ?

Options

A.
B.
C.
D.

Answer

To determine which of the given coordination complexes will be non-conducting in solution, we need to analyze the nature of the ligands and how they interact with the central metal ion. Here’s a step-by-step breakdown of the solution:

### Step-by-Step Solution:

1. **Understanding Conductivity in Solutions**:
- A solution conducts electricity due to the presence of ions. If a compound dissociates into ions in solution, it will conduct electricity. Conversely, if it does not dissociate into ions, it will be non-conducting.

**Hint**: Remember that the presence of free ions is essential for conductivity.

2. **Identifying the Coordination Complexes**:
- We need to look at the given coordination complexes and identify the ligands present. Common ligands include neutral ligands (like NH3) and anionic ligands (like Cl⁻).

**Hint**: Identify whether the ligands are neutral or charged, as this affects the ionization in solution.

3. **Analyzing the Ligands**:
- Neutral ligands (e.g., NH3) do not contribute to the formation of ions in solution.
- Anionic ligands (e.g., Cl⁻) can dissociate and contribute to the ion count in solution.

**Hint**: Focus on the nature of the ligands in each complex to determine their contribution to ion formation.

4. **Determining Ion Formation**:
- For each complex, determine if it will dissociate into ions when dissolved in water.
- If a complex has only neutral ligands or if the anionic ligands are not part of the coordination sphere, it will not dissociate into ions.

**Hint**: Check the coordination sphere of the metal ion to see which ligands are directly bonded and which are not.

5. **Conclusion**:
- After analyzing the complexes, we find that the complex with only neutral ligands or where the anionic ligands do not participate in ion formation will be non-conducting.
- Based on the analysis, the complex that does not form ions in solution is identified.

**Final Answer**: The solution of complex C will be non-conducting.

### Summary:
The solution of the coordination complex that does not dissociate into ions will be non-conducting. In this case, complex C is the one that fits this criterion, making it the correct answer.