Chemistry, asked by Mandy1012, 1 year ago

Sodium hydroxide is considered a caustic alkali give reason

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Answered by Khushib707
5
It is a type of decomposition reaction.
When electricity is passed through an aqueous solution of sodium chloride (called brine), it decomposes to form sodium hydroxide. The process is called the chlor-alkali process because of the products formed- chlor for chlorine and alkali for sodium hydroxide. Following is the chemical equation for the process

 2NaCl (aq) + 2H2O (l) → 2NaOH (aq) + Cl2(g) + H2 (g) 

Chlorine gas is liberated at the anode while hydrogen gas is liberated at the cathode.

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