Applications of Electrolysis - Products of Electrolysis

Using the standard electrode potentials, predict if the reaction between the following is feasible:

\[\ce{Fe^{3+}_{( aq)}}\] and \[\ce{Br^-_{( aq)}}\]

Predict the product of electrolysis in the following:

A dilute solution of \[\ce{H2SO4}\] with platinum electrodes.

Four half-reactions, I to IV are shown below:

1. \[\ce{2Cl^- -> Cl2 + 2e^-}\]
2. \[\ce{4OH^- -> O2 + 2H2O + 2e^-}\]
3. \[\ce{Na^+ + e^- -> Na}\]
4. \[\ce{2H^+ + 2e^- -> H2}\]

Which two of these reactions are most likely to occur when concentrated brine is electrolysed?

In the following reaction, identify X:

\[\ce{Cr2O^{2-}7 + X ->[H+] Cr^{3+} + H2O + Oxidized product of X}\]

Using the standard electrode potentials, predict if the reaction between the following is feasible:

\[\ce{Br2_{(aq)}}\] and \[\ce{Fe^{2+}_{( aq)}}\] 

Predict the product of electrolysis in the following:

An aqueous solution of \[\ce{CuCl2}\] with platinum electrodes.

Predict the product of electrolysis in the following:

An aqueous solution of \[\ce{AgNO3}\] with silver electrodes.

How much electricity is required in coulomb for the oxidation of 1 mol of \[\ce{FeO}\] to \[\ce{Fe2O3}\]?