Electrochemistry

Standard Hydrogen Electrode (Reference cell)

What is the Standard Hydrogen Electrode (SHE) (Reference cell)?

Explain the role of the SHE as the "reference cell"

Explain the convention of the SHE and where oxidation and reduction takes place.

The cell notation of the SHE.

Standard conditions to determine standard electrodes

How to write a cell notation (basic template)

How can the standard electrode potentials be determined using the reference cell?

Use Table 5 to calculate the emf of a standard galvanic cell (E )

What does the positive value of the standard emf indicate?

What is a GALVANIC cell?

Describe the GALVANIC cell.

Write the equations of the half-cells where reduction and oxidation take place, i.e. taking place at the anode/cathode (basic - how to); from TABLE 5

Predicting the half-cell, half reaction in which oxidation/reduction take place

Deducing the overall ionic cell equation

Identifying the reducing and oxidising agents for a redox reaction

PERIODIC TABLE

Purpose of salt bridge

Equation of the GALVANIC cell

Effect of concentrations on the equilibrium of the GALVANIC cell in terms of Le Chatelier's principle

How GALVANIC cell reaches equilibrium

State the capacity of the Galvanic cell's equilibrium

Explain, according to Le Chatelier's principle, how to cell potential reaches 0V.

What increases the cell's capacity to deliver current but does not affect the emf of the cell?

Describe the movement of charges in an GALVANIC cell

Describe the movement of ions in a GALVANIC cell

Explain how electric neutrality is maintained.

Describe the electron flow in the external circuit of the GALVANIC cell (e.g. the zinc copper cell)

Describe the half reaction at the Zinc half cell (GALVANIC cell)

Describe the half reaction at the Copper half cell (GALVANIC cell)