The specific conductance of a 0.1 M KCl solution at 23°C is 0.012 Ω-1cm-1.
The resistance of the cell containing the solution at the same temperature
was found to be 55 Ω. 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

Subtopic:  Conductance & Conductivity |
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The k= 4.95 × 10-5S cm-1 for a 0.00099 M solution. The reciprocal of the degree of dissociation of acetic acid, if m0 for acetic acid is 400 S cm2mol-1 will be:

1. 7 2. 8
3. 9 4. 10
Subtopic:  Conductance & Conductivity |
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The molar conductivity of a 0.5 mol/dm3 solution of AgNO3 with electrolytic conductivity of 5.76 x 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

Subtopic:  Conductance & Conductivity |
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From NCERT
NEET - 2016
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The unit of specific conductance is:

1. ohm-1 cm-1 2. ohm cm
3. ohm cm-1 4. ohm-1 cm
Subtopic:  Conductance & Conductivity |
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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.

Subtopic:  Conductance & Conductivity |
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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.

Subtopic:  Conductance & Conductivity |
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Limiting molar conductivities, for the given solutions, are :

λm0(H2SO4)x cm2 mol-1

λm0(K2SO4)y cm2 mol-1

λm0(CH3COOK)z cm2 mol-1

From the data given above, it can be concluded that \(\lambda_m^0 \) in (\(S\ cm^2\ mol^{-1}\)) for CH3COOH will be :

1. \(\mathrm{x-y+2z}\)        2. \(\mathrm{x+y+z}\)          
3. \(\mathrm{x-y+z}\)        4. \(\mathrm{{(x-y) \over 2}+z}\)          
Subtopic:  Conductance & Conductivity |
 69%
From NCERT
NEET - 2019
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