Which of the following is not the characteristic of a reference electrode?
(a) It must have a known output potential
(b) It must have a constant output potential
(c) Its output potential is dependent on the composition of the solution
(d) It is employed in conjunction with the indicator or working electrode
I had been asked this question in an interview for job.
My doubt stems from Hydrogen and Glass Electrodes topic in section pH Meters and Ion Analysers of Analytical Instrumentation