1. | \(3.08 \times 10^{-7} cm^{-1}\) | 2. | \(30.8 \times 10^{-7} cm^{-1}\) |
3. | \(0.308 \times 10^{-9} cm^{-1}\) | 4. | \(4.08 \times 10^{-6} cm^{-1}\) |
The decreasing order of electrical conductivity of the following aqueous solutions is :
0.1 M Formic acid (A),
0.1 M Acetic acid (B),
0.1 M Benzoic acid (C)
1. A > B > C
2. A > C > B
3. C > B > A
4. C > A > B
Resistance of 0.2 M solution of an electrolyte is 50 . The specific conductance of the solution is 1.3 S m-1. If the resistance of the 0.4 M solution of the same electrolyte is 260 , its molar conductivity is:
1.
2.
3.
4.
Determine the cell constant of a conductivity cell containing a 0.01 M KCl solution at 298 K. The given data includes a resistance of 1750 Ω and a conductivity of 0.152×10−3 S cm−1.
1. | \(266 \times 10^{-3} \mathrm{~m}^{-1}\) | 2. | \(166 \times 10^{-3} \mathrm{~cm}^{-1}\) |
3. | \(266 \times 10^{-3} \mathrm{~cm}^{-1}\) | 4. | \(166 \times 10^{-3} \mathrm{~m}^{-1}\) |
Statement I | For \(\mathrm{Kl},\) molar conductivity increases steeply with dilution. |
Statement II | For carbonic acid, molar conductivity increases slowly with dilution. |
1. | Statement I is incorrect and Statement II is correct. |
2. | Both Statement I and Statement II are correct. |
3. | Both Statement I and Statement II are incorrect. |
4. | Statement I is correct and Statement II is incorrect. |