Question

High concentration of NaOH is produced by _____________

(a) Mebrane cell process

(b) Diaphragm cell process

(c) Mercury cell process

(d) Chemical process

The question was posed to me in an interview for job.

I'm obligated to ask this question of Inorganic Chemical topic in portion Inorganic Chemical Industries of Chemical Technology

Answer 1

Correct option is (c) Mercury cell process

Explanation: 10-12% NaOH is produced by diaphragm cell which is concentrated to 50%NaOH. 30-33% NaOH is produced by membrane process concentrated to 50% NaOH. 70% NaOH is produced in mercury cell process.