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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 |
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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)` |
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