Standard Electrode Potentials

Chemistry ⇒ Redox Reactions and Electrochemistry

Standard Electrode Potentials starts at 11 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Standard Electrode Potentials. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 11

A cell is constructed with Ag/Ag⁺ (1 M) and Cu/Cu²⁺ (1 M) electrodes. If E°(Ag⁺/Ag) = +0.80 V and E°(Cu²⁺/Cu) = +0.34 V, what is the standard cell potential?

A cell is constructed with Fe/Fe²⁺ (1 M) and Cu/Cu²⁺ (1 M) electrodes. If E°(Fe²⁺/Fe) = -0.44 V and E°(Cu²⁺/Cu) = +0.34 V, what is the standard cell potential?

A cell is constructed with Zn/Zn²⁺ (1 M) and Cu/Cu²⁺ (1 M) electrodes. If E°(Zn²⁺/Zn) = -0.76 V and E°(Cu²⁺/Cu) = +0.34 V, what is the standard cell potential?

Arrange the following in order of increasing standard electrode potential: Fe²⁺/Fe (-0.44 V), Cu²⁺/Cu (+0.34 V), Zn²⁺/Zn (-0.76 V).

Describe how standard electrode potentials are used to construct an electrochemical series.

Describe the relationship between standard electrode potential and the spontaneity of a redox reaction.

Describe the significance of a positive standard cell potential.

Explain why a metal with a more negative standard electrode potential cannot be easily reduced.

Explain why platinum is used as the electrode in the standard hydrogen electrode.

Explain why standard electrode potentials are intensive properties.

Explain why the standard hydrogen electrode is used as a reference electrode.

If E°(M²⁺/M) = -0.25 V and E°(N²⁺/N) = +0.40 V, which will act as the cathode in a cell?

If E°(X²⁺/X) = -0.13 V and E°(Y²⁺/Y) = +0.20 V, which metal will displace the other from its salt solution?

If the E°(A²⁺/A) = -0.50 V and E°(B²⁺/B) = +0.30 V, what is the standard cell potential for a cell with A as the anode and B as the cathode?

If the standard electrode potential of a half-cell is negative, what does it indicate about the tendency of the species to be reduced?

State the Nernst equation for calculating electrode potential under non-standard conditions.

What is meant by the term 'standard electrode potential'?

Which electrode acts as the anode in a cell made of Zn and Cu electrodes under standard conditions?