Question

In combination electrodes, both the electrodes must be maintained at different temperatures.

(a) True

(b) False

The question was asked in an international level competition.

I'm obligated to ask this question of Combination Electrode topic in division pH Meters and Ion Analysers of Analytical Instrumentation

Answer 1

Correct choice is (b) False

The best explanation: In combination electrodes, both the electrodes must be maintained at the same temperature. Measuring error due to small temperature differences between the buffer solution and the sample are negligible.