1.

In the electrolysis of which solution `OH^(-)` ions are discharged in preference to `Cl^(-)` ions?A. dilute NaClB. very dilute NaClC. fused NaClD. solid NaCl

Answer» Correct Answer - B
In case of very dilute solution of NaCl , electrolysis brings in the following changes .
Anode :` 2OH^(-) to H_(2)O + (1)/(2) O_(2) + 2e`
Cathode : ` 2H^(+) + 2 e to H_(2)`


Discussion

No Comment Found

Related InterviewSolutions