Redox Reactions And Electrochemistry Mock Tests

In the balanced equation: MnO₄⁻ + Fe²⁺ + H⁺ → Mn²⁺ + Fe³⁺ + H₂O, the stoichiometric coefficients of MnO₄⁻ and Fe²⁺ are respectively:

The number of moles of electrons transferred when 1 mole of Al₂O₃ is formed from Al and O₂ 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 process of electrolytic refining of copper uses:

Which of the following is a secondary battery?

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

The EMF of the cell Zn|Zn²⁺(0.1 M)||Cu²⁺(0.01 M)|Cu at 298 K is: (E°cell = 1.10 V, 2.303RT/F = 0.0591 V)

For the galvanic cell reaction: Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s), at 298 K, the correct Nernst equation expression is: (E°_cell = 1.10 V, n = 2)