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What is the process by which sodium hydroxide is prepared?
Question

What is the process by which sodium hydroxide is prepared?

A.

Solvay’s process

B.

Chlor-alkali process

C.

Haber’s process

D.

Contact process

Correct option is B

The correct answer is option (b) Chlor-alkali process

Information booster :

The overall reaction for the chlor-alkali process is:

2NaCl(aq)+2H2O(l)2NaOH(aq)+Cl2(g)+H2(g)2NaCl (aq) + 2H_2O (l) \rightarrow 2NaOH (aq) + Cl_2 (g) + H_2 (g)

Sodium hydroxide (NaOH) is primarily prepared through the chlor-alkali process, which involves the electrolysis of brine (a concentrated solution of sodium chloride, NaCl).


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