Question

what is chlor- alkali process
? write the chemical reactions taking place
?

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Answer 1

The term chlor-alkali refers to the two chemicals (chlorine and an alkali) which are simultaneously produced as a result of the electrolysis of a saltwater. The most common chlor-alkali chemicals are chlorine and sodium hydroxide (caustic soda) but can include potassium hydroxide and muriatic acid.

It is a type of decomposition reaction. Chlorine gas is liberated at the anode while hydrogen gas is liberated at the cathode. A Chloralkali process always implies the electrolysis of common salt or sodium chloride.