1.

Brine is electrolysed by using inert electrodes. The reaction at anode is

Answer»

`Cl_((aq))^(-) to 1/2 Cl_(2(G)) + e^(-) , E^@ = 1.36 V`
`2H_2O_((L)) to O_(2(g)) + 4H^(+) + 4e^(-) , E^(@) = 1.23 V`
`Na_((aq))^(+) + e^(-) to Na_((s)) , E^@ = 2.71 V`
`H_((aq))^(+) to 1/2 H_(2(g)) , E^(@) = 0.00V`

SOLUTION :`KMnO_4`also oxidised HCI into `CI_2`


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