ICSE Class 10 Answered
when a dilute aqueous solution of sodium chloride is electrolysed between platinum electrodes ,
hydrogen gas is evolved at cathode but metallic sodium is not deposited .why?
Asked by adampur334 | 05 Oct, 2017, 08:39: PM
Expert Answer
When a dilute aqueous solution of sodium chloride is electrolysed between platinum electrodes,
hydrogen gas is evolved at cathode but metallic sodium is not deposited.
It is because, sodium is much below in the activity series, hydrogen is discharged at the cathode.
Answered by Prachi Sawant | 06 Oct, 2017, 02:01: PM
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