1.

In the electrolysis of which solution, OH^(-) ion are discharged in preference to Cl^(-) ions?

Answer»

Dilute NaCl
very dilute NaCl
fused NaCl
solid NaCl

SOLUTION :In very dilute solution of `NaCl`, the following REACTIONS TAKE place on electrolysis:
Anode: `2OH^(-)toH_(2)O+(1)/(2)O_(2)+2e^(-)`
Cathode: `2H^(+)+2e^(-)toH_(2)`


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