Question

Which statement is true regarding redox reaction?

Answer 1

`"Oxidation is the formal loss of electrons..."`

Explanation:

And metals, electron-rich materials, TYPICALLY undergo oxidation...

Option 1 is a reduction...so FALSE...

Option 2 is an oxidation...

Option 3 is whack...

Option 4...reduction occurs at the CATHODE...i.e. here..

`Co_2CO_3(aq) + 6e^(-) rarr 2Co(s) +3CO_3^(2-)`

So option 4 is true... And option 5 is FALSE by this reason...