Which of the following materials are used as electrodes in coulometric method for the measurement of sulphur di-oxide?
A. Gold
B. Silver
C. Platinum
D. Nickel
Answer:C
Which of the following materials are used as electrodes in coulometric method for the measurement of sulphur di-oxide?
A. Gold B. Silver C. Platinum D. Nickel
Explanation: In Coulometric arrangement, the electrodes are made of platinum. These act as the anode and the cathode.