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Question

Choose the correct option regarding chlor-alkali reaction:


A

Brine solution decomposes on application of electricity.

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B

Cl2 is given off at cathode

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C

H2 is given off at anode

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D

H2 is given off at cathode

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Solution

The correct option is A

Brine solution decomposes on application of electricity.


Brine solution (aqueous NaCl) decomposes on application of electricity.

NaCl+H2ONaOH+Cl2+H2

Chlorine gas is given off at anode and hydrogen gas is given off at cathode.


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