The conductivity of 0.00241 M acetic acid is 7.896 × 10–5 S cm–1. If for acetic acid is 390.5 S cm2 mol–1, the dissociation constant will be
1. \(2.45 \times 10^{-5} \mathrm{~mol} \ \mathrm{~L}^{-1} \)
2. \(1.86 \times 10^{-5} \mathrm{~mol} \ \mathrm{L^{-1}} \)
3. \(3.72 \times 10^{-5}\mathrm{~mol} \mathrm{~L^{-1}} \)
4. \(2.12 \times 10^{-5}\mathrm{~mol} \mathrm{~L^{-1}}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement(s) among the below 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. (a)
2. (a) and (d)
3. (b) and (d)
4. (a) and (c)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology