Question

write the preparation of sodium hydroxide​

Answer 1

Answer:

Preparation: Sodium hydroxide is industrially produced using the electrolytic chloralkali process, in which electrolysis of aqueous sodium chloride solution gives chlorine gas and sodium hydroxide. NaOH is obtained as a 50% solution in water, and then dried to give solid sodium hydroxide flakes or pellets.

Explanation:

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Answer 2

When electricity is passed through a concentrated solution of sodium chloride, it decomposes to form sodium hydroxide, chlorine and hydrogen.

electricity

NaCl + H2O ----------------> NaOH + Cl2 + H2

(Sodium

Hydroxide)