Which one of the following methods is used to manufacture sodium hydroxide?
Leblanc's process
Castner-Kellner cell
Hasenclever's process
Dutch process
A
Dutch process
B
Hasenclever's process
C
Leblanc's process
D
Castner-Kellner cell
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Solution
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Castner-Kellner process is used for the manufacture of sodium hydroxide.
The Castner-Kellner process is a method of electrolysis on an aqueous alkali chloride solution (usually sodium chloride solution) to produce the corresponding alkali hydroxide.
2NaCl(aq)+2H2O(l)→2NaOH(aq)+H2(g)+Cl2(g)
Option B is correct.
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