As the dilution of an electrolyte increases
(a) Sepcific conductance decreases
(b)Molar conductance decreases
(c)Resistance increases
(d)No change takes place in conductance As the dilution of an electrolyte increases

Options

A. Sepcific conductance decreases
B. Molar conductance decreases
C. Resistance increases
D. No change takes place in conductance

Answer

To solve the question regarding the effects of dilution on an electrolyte, let's analyze each option step by step.

### Step-by-Step Solution:

1. **Understanding Specific Conductance (κ)**:
- Specific conductance (κ) is defined as the conductance of a solution between two electrodes. It is influenced by the number of ions present in the solution.
- As the electrolyte is diluted, the concentration of ions decreases. Since specific conductance is directly proportional to the number of ions available to conduct electricity, it follows that:
\[ \text{Specific Conductance (κ) decreases} \]
- Therefore, option (a) is **correct**.

2. **Understanding Molar Conductance (Λm)**:
- Molar conductance (Λm) is defined as the conductance of the electrolyte solution per mole of the electrolyte. It is given by the formula:
\[ \Lambda_m = \frac{\kappa \times 1000}{C} \]
where C is the molarity of the solution.
- As the solution is diluted, the molarity (C) decreases. Since molar conductance is inversely proportional to molarity, the decrease in molarity leads to an increase in molar conductance:
\[ \text{Molar Conductance (Λm) increases} \]
- Therefore, option (b) is **incorrect**.

3. **Understanding Resistance (R)**:
- Resistance in a solution is affected by the interactions between solute and solvent molecules. As the electrolyte is diluted, these interactions decrease, leading to a decrease in resistance:
\[ \text{Resistance (R) decreases} \]
- Therefore, option (c) is **incorrect**.

4. **Conductance (G)**:
- Conductance is defined as the reciprocal of resistance:
\[ G = \frac{1}{R} \]
- Since resistance decreases with dilution, conductance must increase:
\[ \text{Conductance (G) increases} \]
- Therefore, option (d) is **incorrect**.

### Final Answers:
- (a) Specific conductance decreases: **Correct**
- (b) Molar conductance decreases: **Incorrect**
- (c) Resistance increases: **Incorrect**
- (d) No change takes place in conductance: **Incorrect**