- 1(current)
Q. No.Find the dissociation constant (Kₐ) of 0.00241 M acetic acid if its conductivity is 7.896 × 10⁻⁵ S cm⁻¹
and its molar conductivity at infinite dilution (Λₘ°) is 390.5 S cm² mol⁻¹.
2. 1.86 × 10⁻⁵ mol L⁻¹
3. 3.72 × 10⁻⁵ mol L⁻¹
4. 2.12 × 10⁻⁵ mol L⁻¹
Subtopic: Conductance & Conductivity |
68%
Level 2: 60%+
Hints
Links
The incorrect statement(s) among the following is/are:
| (a) | The unit of conductivity is S cm–2. |
| (b) | Specific Conductivity of weak and strong electrolytes always decreases with a decrease in concentration. |
| (c) | The unit of molar conductivity is S cm2 mol–1. |
| (d) | Molar conductivity increases with an increase in concentration. |
1. Only (a)
2. (a) and (d)
3. (b) and (d)
4. (a) and (c)
Subtopic: Conductance & Conductivity |
57%
Level 3: 35%-60%
Hints
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 |
Subtopic: Conductance & Conductivity |
90%
Level 1: 80%+
Hints
Links
- 1(current)
Q. No.
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