Question

The output of the electrode in sodium analyser is proportional to which of the following parameters?

(a) Activity

(b) Concentration

(c) Negative logarithm of sodium ion concentration

(d) Logarithm of sodium ion concentration

This question was posed to me by my college professor while I was bunking the class.

I'd like to ask this question from Sodium Analyser in chapter Dissolved Component Analysers of Analytical Instrumentation

Answer 1

Right option is (d) Logarithm of sodium ion concentration

The explanation is: The output of the electrode in sodium analyser is proportional to the logarithm of sodium ion concentration. The value is recorded and indicated.