Question

Which of the following is an advantage of mercury cell process?

(a) Pure sodium hydroxide

(b) Pure chlorine gas

(c) Utilization of less pure brine

(d) Low electrical energy consumption

This question was addressed to me during an interview.

This key question is from Inorganic Chemical topic in portion Inorganic Chemical Industries of Chemical Technology

Answer 1

Right choice is (b) Pure chlorine gas

The best explanation: Advantages of mercury cell process are pure chlorine gas and pure 50% sodium hydroxide without evaporation. Pure sodium hydroxide is an advantage of membrane process. Utilization of less pure brine is an advantage of diaphragm cell process.