Which of the following can be used to distinguish between a monoprotic strong acid and a monoprotic weak acid?
- I** Measuring the conductivity of solutions of equal concentration.
- II** Measuring the pH of solutions with equal concentration.
- III** Measuring the volume of alkali required to neutralise equal amounts of acid.
a. I only
b. I and II only
c. II and III only
d. I, II and III