Question

How sodium hydroxide is manufactured by electrolysis of sodium chloride
Describe uses of sodium hydroxide.​

Answer 1

Answer:

Electrolysis of Sodium Chloride. This shows the electrolysis of pure sodium chloride. You get different products if the sodium chloride is dissolved in water. Sodium chloride must be heated until it is molten before it will conduct electricity. Electrolysis separates the molten ionic compound into its elements. The reactions at each electrode are called half equations. The half equations are written so that the same number of electrons occur in each equation. 2Na+ + 2e- --> 2Na (sodium metal at the (-)cathode). 2Cl- - 2e- --> Cl2 (chlorine gas at the (+)anode). Sodium ions gain electrons (reduction) to form sodium atoms. Chloride ions lose electrons (oxidation) to form chlorine atoms. The chlorine atoms combine to form molecules of chlorine gas. The overall reaction is 2Na+Cl-(l) --> 2Na(s) + Cl2(g)"

Answer 2

Sodium Hydroxide is commonly known as caustic soda.

The chemical formula of sodium hydroxide is NaOH.

Sodium Hydroxide is very important basic chemical which is used as a starting material for making many other chemicals.

It is used in many industries and hence produced on large scale.

Sodium hydroxide is produced by the electrolysis of a concentrated aqueous solution of brine.

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