Dear meritnation team, 

I think there is a correction in the chapter 3 electrochemistry part 1 of class 12 in the intext question Q.3.3 where the reduction potential is -0.77 and higher values can oxidise it but u have mentioned that even O2 can oxidise but its electrode potential value is -0.68 and hence wont oxidise ferrous ion 

Thank you for ur consideration 
Samreen rizwan


Dear student, 
Any substance having electrode potential more than that of  Fe3+/Fe2+can oxidise it.
So substances like O, FCo3+ etc can be used to oxidise it.

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No,question is correct solve properly or i will explain
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