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Cell constant or conductivity of a conductivity cell from resistance (conductivity = cell constant / R)

This type of question, asked 15 times: 2 May 2023 S1, 2 May 2023 S2, 3 May 2023 S2, 4 May 2023 S2, 9 May 2023 S2, 10 May 2023 S1, 11 May 2023 S1, 11 May 2023 S2, 16 May 2023 S1, 16 May 2023 S2, 12 May 2024 S2, 14 May 2024 S2, 17 Apr 2026 S1, 19 Apr 2026 S1, 15 May 2026 S2. All 17 questions below, oldest first.

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  1. Question 1

    2 May 2023 S1

    78
    The resistance of decimolar solution of NaCl is 30 ohms. Calculate the conductivity of solution if the cell constant is 0.330.33 cm−1^{-1}.

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  2. Question 2

    2 May 2023 S2

    58
    The resistance of a conductivity cell of 0.1 M KCl solution is 120 ohm and conductivity is 1.64×10−4 S cm−11.64 \times 10^{-4}\,\text{S cm}^{-1}. What is the value of cell constant?

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  3. Question 3

    3 May 2023 S2

    95
    What is the cell constant, if two platinum electrodes in conductivity cell are separated by 0.92 cm and area of cross section is 1.2 cm21.2\text{ cm}^2?

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  4. Question 4

    3 May 2023 S2

    85
    A conductivity cell dipped in 0.05 M KCl has resistance 600 ohm. If conductivity is 0.0015 ohm−1 cm−10.0015\text{ ohm}^{-1}\text{ cm}^{-1}. What is the value of cell constant?

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  5. Question 5

    4 May 2023 S2

    86
    What is the conductivity of 0.02 M AgNO₃ solution having cell constant 1.1 cm⁻¹ and resistance is 94.5 ohms?

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  6. Question 6

    9 May 2023 S2

    56
    Resistance and conductivity of a cell containing 0.1 M KCl solution at 298 K are 115 ohm and 1.90×10−61.90 \times 10^{-6} S cm−1^{-1} respectively. What is the value of cell constant?

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  7. Question 7

    10 May 2023 S1

    89
    A conductivity cell dipped in 0.05 M KCl has resistance 600 ohm. If conductivity is 0.0012 Ω−1cm−10.0012\,\Omega^{-1}\text{cm}^{-1}. What is the value of cell constant?

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  8. Question 8

    10 May 2023 S1

    99
    What is the conductivity of 0.05 M KCl solution if cell constant is 1.32 cm−11.32\,\text{cm}^{-1} and resistance is 528 ohm?

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  9. Question 9

    11 May 2023 S1

    83
    The resistance of conductivity cell filled with 0.1 M KCl solution is 100 ohm and conductivity is 1.70×10−41.70 \times 10^{-4} S cm−1^{-1}. What is the cell constant of the cell?

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  10. Question 10

    11 May 2023 S2

    75
    Cell constant of a conductivity cell is 0.9 cm−1^{-1} and resistance shown by AgNO3_3 solution is 6530 ohm. What is the conductivity of AgNO3_3 solution?

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  11. Question 11

    16 May 2023 S1

    65
    What is the conductivity of 0.05 M NaOH solution having resistance 31.5 ohm and cell constant 0.315 cm−10.315\,\text{cm}^{-1}?

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  12. Question 12

    16 May 2023 S2

    61
    Calculate the cell constant of conductivity cell containing 0.1 M KCl solution having resistance 60 Ω60\,\Omega and conductivity 0.014 Ω−1 cm−10.014\,\Omega^{-1}\text{ cm}^{-1} at 25∘C25^\circ\text{C}.

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  13. Question 13

    12 May 2024 S2

    90
    A conductivity cell containing 5×10−45 \times 10^{-4} M NaCl solution develops resistance 14000 ohms at 25°C25°C. Calculate the conductivity of solution if the cell constant is 0.840.84 cm⁻¹

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  14. Question 14

    14 May 2024 S2

    68
    A conductivity cell containing 0.001 M AgNO30.001\,\text{M AgNO}_3 solution develops resistance 6530 Ω\Omega at 25°C25°C. Calculate the electrical conductivity of solution if the cell constant is 0.653 cm−10.653\,\text{cm}^{-1}.

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  15. Question 15

    17 Apr 2026 S1

    26
    The conductivity of 0.02 M of KCl solution at 298 K is 0.0123 ohm−1 cm−1\mathrm{ohm^{-1}\,cm^{-1}}. If the resistance of the cell containing this solution is 120 ohms, what is the value of the cell constant ?

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  16. Question 16

    19 Apr 2026 S1

    25
    What is the conductivity of 0.02 M AgNO30.02\ \mathrm{M\,AgNO_3} solution having cell constant 1.2 cm−11.2\ \mathrm{cm^{-1}} and resistance 95.095.0 ohms ?

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  17. Question 17

    15 May 2026 S2

    24
    A conductivity cell containing 0.010.01 M KCl produces resistance 600600 ohms at 25∘C25^\circ C. Find the cell constant if conductivity of 0.010.01 M KCl at the same temperature is 0.0014 ohm−1 cm−10.0014\ \mathrm{ohm^{-1}\ cm^{-1}}.

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