Redox Reactions And Electrochemistry Mock Tests

Delta G for Cu2+ + 2e- -> Cu is: (E = +0.34 V, F = 96500 C/mol)

Which of the following is a secondary battery?

The standard electrode potential (E°) for the cell: Zn(s) | Zn²⁺(1 M) || Cu²⁺(1 M) | Cu(s) is +1.10 V. If the concentration of Zn²⁺ is increased to 10 M while Cu²⁺ remains at 1 M, the cell potential at 298 K will be approximately:

The process of electrolytic refining of copper uses:

The number of moles of electrons transferred when 1 mole of Al₂O₃ is formed from Al and O₂ is:

The number of moles of electrons required to reduce 1 mole of MnO₄⁻ to Mn²⁺ in acidic medium is:

The standard electrode potential of a cell Zn|Zn²⁺(1 M)||Cu²⁺(1 M)|Cu is 1.10 V. If E°(Cu²⁺/Cu) = +0.34 V, the standard electrode potential of Zn²⁺/Zn is:

The emf of the cell Zn(s) | Zn²⁺(0.01 M) || Cu²⁺(1.0 M) | Cu(s) at 298 K is: (E°cell = 1.10 V, 2.303RT/F = 0.0591 V)