| 1. | 0.124 S cm2 mol–1 | 2. | 1.24 S m2 mol–1 |
| 3. | 124 S cm2 mol–1 | 4. | 124 S m2 mol–1 |
| A: | This equation applies to both strong and weak electrolytes |
| B: | The value of the constant A depends upon the nature of the solvent |
| C: | The value of constant A is the same for both \(BaCl_2\) and \(MgSO_4\) |
| D: | The value of constant A is the same for both \(BaCl_2\) and \(Mg(OH)_2\) |
| 1. | (A) and (B) only | 2. | (A), (B), and (C) only |
| 3. | (B) and (C) only | 4. | (B) and (D) only |
The specific conductance of a 0.1 M KCl solution at 23 is 0.012 .
The resistance of the cell containing the solution at the same temperature was found to be 55 . The cell constant will be:
1. 0.142 cm–1
2. 0.66 cm–1
3. 0.918 cm–1
4. 1.12 cm–1
The for a 0.00099 M solution. The reciprocal of the degree of dissociation of acetic acid, if for acetic acid is 400 S will be:
| 1. | 7 | 2. | 8 |
| 3. | 9 | 4. | 10 |
The conductivity of 0.20 M solution of KCl at 298 K is 0.0248 S cm–1. The molar conductivity will be:
| 1. | 124 S cm2 mol-1 | 2. | 134 S cm2 mol-1 |
| 3. | 128 S cm2 mol-1 | 4. | 136 S cm2 mol-1 |
The molar conductivity of a 0.5 mol/dm3 solution of AgNO3 with electrolytic conductivity of 5.76 × 10–3 S cm–1 at 298 K is:
| 1. | 11.5 S cm2/mol | 2. | 21.5 S cm2/mol |
| 3. | 31.5 S cm2/mol | 4. | 41.5 S cm2/mol |
The unit of specific conductance is:
| 1. | ohm-1 cm-1 | 2. | ohm cm |
| 3. | ohm cm-1 | 4. | ohm-1 cm |
Which of the following statements is correct regarding the cell constant of a conductivity cell?
| 1. | Changes with the change of electrolyte. |
| 2. | Changes with the change of concentration of electrolyte. |
| 3. | Changes with the temperature of the electrolyte. |
| 4. | Remains constant for a cell. |
Consider the following graph.
The strong electrolyte in the above graph is represented by:
1. X
2. Y
3. Both X and Y
4. Data given is not sufficient to predict.
At 25 °C molar conductance of 0.1 molar aqueous solution of ammonium hydroxide is 9.54 Ω-1 cm2 mol-1 and at infinite dilution its molar conductance is 238 Ω-1 cm2 mol-1. The degree of ionisation of ammonium hydroxide at the same concentration and temperature is :
| 1. | 2.080 % | 2. | 20.800 % |
| 3. | 4.008 % | 4. | 40.800 % |