1.

Which one of the following reaction occurs at the cathode

Answer»

`2OH^(-) RARR H_(2) O + 1/2 O_(2) + 2e^(-)`
`Ag(s) rarr Ag^(+) + e^(-)`
`Fe^(2+) rarr Fe^(3+) + R^(-)`
`Cu^(2+) + 2e^(-) rarr Cu(s)`

ANSWER :D


Discussion

No Comment Found

Related InterviewSolutions