Advertisements
Advertisements
Questions
Define cell constant.
What is the cell constant?
Solution
Cell constant is the ratio of the distance between the electrodes divided by the area of cross-section of the electrode. It is denoted by b.
Thus, Cell constant = b =`l/a`. It is expressed in unit m−1.
APPEARS IN
RELATED QUESTIONS
Conductivity of a solution is 6.23 x 10-5 Ω-1cm-1 and its resistance is 13710Ω. If the electrodes are 0.7cm apart, calculate the cross-sectional area of electrode.
Give reasons for the following observations :
A delta is formed at the meeting point of sea water and river water.
Resistance of a conductivity cell filled with 0.1 mol L−1 KCl solution is 100 Ω. If the resistance of the same cell when filled with 0.02 mol L−1 KCl solution is 520 Ω, calculate the conductivity and molar conductivity of 0.02 mol L−1KCl solution. The conductivity of 0.1 mol L−1 KCl solution is 1.29 × 10−2 Ω−1 cm−1.
What is the effect of temperature on ionic conductance?
Fundamental difference between an electrolytic cell and the galvanic cell is that in electrolytic cell ____________.
Difference between electronic and ionic (electrolytic) conductivity is that electronic conductance takes place in metals by movement of ________ and electrolytic conductance takes place in solutions by movement of ____________.
Why is alternating current used for measuring resistance of an electrolytic solution?
Give reasons:
In the experimental determination of electrolytic conductance, Direct Current (DC) is not used.
Which of the following relations is incorrect?
