Measurement of the Conductivity
CHXII03:ELECTROCHEMISTRY

330365 Assertion :
The cell constant of a conductivity cell depends upon the nature of the material of the electrodes.
Reason :
The electrodes of the cell are coated with platinum black to avoid polarization effects.

1 If both the assertion and reason are true and reason is a true explanation of the assertion
2 If both the assertion and reason are true but the reason is not the correct explanation of assertion
3 If the assertion is true but reason is false
4 If assertion is false but reason is true.
CHXII03:ELECTROCHEMISTRY

330366 A conductivity cell shows resistance of \(600\,\,{\text{ohm}}\). If conductivity of \(0.01{\text{M KCl}}\) is \(0.0015 \Omega^{-1} \mathrm{~cm}^{-1}\), what is cell constant?

1 \(0.60 \mathrm{~cm}^{-1}\)
2 \(0.45 \mathrm{~cm}^{-1}\)
3 \(0.90 \mathrm{~cm}^{-1}\)
4 \(0.75 \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330367 Assertion :
The observed conductance depends upon the nature of the electrolyte and the concentration of the solution
Reason :
The cell constant of a cell depends upon the nature of the material of the electrodes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330368 What is the resistance of \(0.01{\text{M KCl}}\) solution if its conductivity is \(200 \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}\) and cell constant is \(1 \mathrm{~cm}^{-1}\) ?

1 \(1 \times 10^{-3} \mathrm{ohm}\)
2 \(5 \times 10^{-3} \mathrm{ohm}\)
3 \(4 \times 10^{-3} \mathrm{ohm}\)
4 \(2 \times 10^{-3} \mathrm{ohm}\)
CHXII03:ELECTROCHEMISTRY

330369 The equivalent conductivity of a solution containing 2.54 grams of \(\mathrm{CuSO}_{4}\) per litre is \(91.0 \Omega^{-1} \mathrm{~cm}^{2} \mathrm{eq}^{-1}\). Its conductivity would

1 \(2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
2 \(1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}\)
3 \(2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}\)
4 \(3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330365 Assertion :
The cell constant of a conductivity cell depends upon the nature of the material of the electrodes.
Reason :
The electrodes of the cell are coated with platinum black to avoid polarization effects.

1 If both the assertion and reason are true and reason is a true explanation of the assertion
2 If both the assertion and reason are true but the reason is not the correct explanation of assertion
3 If the assertion is true but reason is false
4 If assertion is false but reason is true.
CHXII03:ELECTROCHEMISTRY

330366 A conductivity cell shows resistance of \(600\,\,{\text{ohm}}\). If conductivity of \(0.01{\text{M KCl}}\) is \(0.0015 \Omega^{-1} \mathrm{~cm}^{-1}\), what is cell constant?

1 \(0.60 \mathrm{~cm}^{-1}\)
2 \(0.45 \mathrm{~cm}^{-1}\)
3 \(0.90 \mathrm{~cm}^{-1}\)
4 \(0.75 \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330367 Assertion :
The observed conductance depends upon the nature of the electrolyte and the concentration of the solution
Reason :
The cell constant of a cell depends upon the nature of the material of the electrodes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330368 What is the resistance of \(0.01{\text{M KCl}}\) solution if its conductivity is \(200 \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}\) and cell constant is \(1 \mathrm{~cm}^{-1}\) ?

1 \(1 \times 10^{-3} \mathrm{ohm}\)
2 \(5 \times 10^{-3} \mathrm{ohm}\)
3 \(4 \times 10^{-3} \mathrm{ohm}\)
4 \(2 \times 10^{-3} \mathrm{ohm}\)
CHXII03:ELECTROCHEMISTRY

330369 The equivalent conductivity of a solution containing 2.54 grams of \(\mathrm{CuSO}_{4}\) per litre is \(91.0 \Omega^{-1} \mathrm{~cm}^{2} \mathrm{eq}^{-1}\). Its conductivity would

1 \(2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
2 \(1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}\)
3 \(2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}\)
4 \(3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330365 Assertion :
The cell constant of a conductivity cell depends upon the nature of the material of the electrodes.
Reason :
The electrodes of the cell are coated with platinum black to avoid polarization effects.

1 If both the assertion and reason are true and reason is a true explanation of the assertion
2 If both the assertion and reason are true but the reason is not the correct explanation of assertion
3 If the assertion is true but reason is false
4 If assertion is false but reason is true.
CHXII03:ELECTROCHEMISTRY

330366 A conductivity cell shows resistance of \(600\,\,{\text{ohm}}\). If conductivity of \(0.01{\text{M KCl}}\) is \(0.0015 \Omega^{-1} \mathrm{~cm}^{-1}\), what is cell constant?

1 \(0.60 \mathrm{~cm}^{-1}\)
2 \(0.45 \mathrm{~cm}^{-1}\)
3 \(0.90 \mathrm{~cm}^{-1}\)
4 \(0.75 \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330367 Assertion :
The observed conductance depends upon the nature of the electrolyte and the concentration of the solution
Reason :
The cell constant of a cell depends upon the nature of the material of the electrodes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330368 What is the resistance of \(0.01{\text{M KCl}}\) solution if its conductivity is \(200 \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}\) and cell constant is \(1 \mathrm{~cm}^{-1}\) ?

1 \(1 \times 10^{-3} \mathrm{ohm}\)
2 \(5 \times 10^{-3} \mathrm{ohm}\)
3 \(4 \times 10^{-3} \mathrm{ohm}\)
4 \(2 \times 10^{-3} \mathrm{ohm}\)
CHXII03:ELECTROCHEMISTRY

330369 The equivalent conductivity of a solution containing 2.54 grams of \(\mathrm{CuSO}_{4}\) per litre is \(91.0 \Omega^{-1} \mathrm{~cm}^{2} \mathrm{eq}^{-1}\). Its conductivity would

1 \(2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
2 \(1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}\)
3 \(2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}\)
4 \(3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330365 Assertion :
The cell constant of a conductivity cell depends upon the nature of the material of the electrodes.
Reason :
The electrodes of the cell are coated with platinum black to avoid polarization effects.

1 If both the assertion and reason are true and reason is a true explanation of the assertion
2 If both the assertion and reason are true but the reason is not the correct explanation of assertion
3 If the assertion is true but reason is false
4 If assertion is false but reason is true.
CHXII03:ELECTROCHEMISTRY

330366 A conductivity cell shows resistance of \(600\,\,{\text{ohm}}\). If conductivity of \(0.01{\text{M KCl}}\) is \(0.0015 \Omega^{-1} \mathrm{~cm}^{-1}\), what is cell constant?

1 \(0.60 \mathrm{~cm}^{-1}\)
2 \(0.45 \mathrm{~cm}^{-1}\)
3 \(0.90 \mathrm{~cm}^{-1}\)
4 \(0.75 \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330367 Assertion :
The observed conductance depends upon the nature of the electrolyte and the concentration of the solution
Reason :
The cell constant of a cell depends upon the nature of the material of the electrodes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330368 What is the resistance of \(0.01{\text{M KCl}}\) solution if its conductivity is \(200 \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}\) and cell constant is \(1 \mathrm{~cm}^{-1}\) ?

1 \(1 \times 10^{-3} \mathrm{ohm}\)
2 \(5 \times 10^{-3} \mathrm{ohm}\)
3 \(4 \times 10^{-3} \mathrm{ohm}\)
4 \(2 \times 10^{-3} \mathrm{ohm}\)
CHXII03:ELECTROCHEMISTRY

330369 The equivalent conductivity of a solution containing 2.54 grams of \(\mathrm{CuSO}_{4}\) per litre is \(91.0 \Omega^{-1} \mathrm{~cm}^{2} \mathrm{eq}^{-1}\). Its conductivity would

1 \(2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
2 \(1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}\)
3 \(2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}\)
4 \(3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330365 Assertion :
The cell constant of a conductivity cell depends upon the nature of the material of the electrodes.
Reason :
The electrodes of the cell are coated with platinum black to avoid polarization effects.

1 If both the assertion and reason are true and reason is a true explanation of the assertion
2 If both the assertion and reason are true but the reason is not the correct explanation of assertion
3 If the assertion is true but reason is false
4 If assertion is false but reason is true.
CHXII03:ELECTROCHEMISTRY

330366 A conductivity cell shows resistance of \(600\,\,{\text{ohm}}\). If conductivity of \(0.01{\text{M KCl}}\) is \(0.0015 \Omega^{-1} \mathrm{~cm}^{-1}\), what is cell constant?

1 \(0.60 \mathrm{~cm}^{-1}\)
2 \(0.45 \mathrm{~cm}^{-1}\)
3 \(0.90 \mathrm{~cm}^{-1}\)
4 \(0.75 \mathrm{~cm}^{-1}\)
CHXII03:ELECTROCHEMISTRY

330367 Assertion :
The observed conductance depends upon the nature of the electrolyte and the concentration of the solution
Reason :
The cell constant of a cell depends upon the nature of the material of the electrodes.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII03:ELECTROCHEMISTRY

330368 What is the resistance of \(0.01{\text{M KCl}}\) solution if its conductivity is \(200 \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}\) and cell constant is \(1 \mathrm{~cm}^{-1}\) ?

1 \(1 \times 10^{-3} \mathrm{ohm}\)
2 \(5 \times 10^{-3} \mathrm{ohm}\)
3 \(4 \times 10^{-3} \mathrm{ohm}\)
4 \(2 \times 10^{-3} \mathrm{ohm}\)
CHXII03:ELECTROCHEMISTRY

330369 The equivalent conductivity of a solution containing 2.54 grams of \(\mathrm{CuSO}_{4}\) per litre is \(91.0 \Omega^{-1} \mathrm{~cm}^{2} \mathrm{eq}^{-1}\). Its conductivity would

1 \(2.9 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)
2 \(1.8 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}\)
3 \(2.4 \times 10^{-4} \Omega^{-1} \mathrm{~cm}^{-1}\)
4 \(3.6 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}\)