Cell notation

Question 1

Cell notation is written using the following order convention:

Answer 1

reducing agent | oxidised species || oxidising agent | reduced species

Question 2

A single vertical ling ( | ) represents a ___ boundary and is drawn between two chemicals species that are in different phases but in contact with each other.

Answer 2

phase

Question 3

When both chemical species in a half-cell are in the same phase they are separated by a ___.

Answer 3

comma

Question 4

The ___ ____ is represented by two vertical lines ( || ).

The identity of the salt bridge need not be shown in the cell notation

Answer 4

salt bridge

Question 5

What is not shown?

Answer 5

Spectator ions and numbers used for balancing is not shown

Question 6

If requested, standard conditions are given in brackets after: (3)

Answer 6

a. Aqueous solutions of ions (aq, 1 mol.dm-3)
b. Gases (g, 1atm)
c. Temperature (at 25°C) is shown at the end of the cell notation

Question 7

Properties of platinum that make it a suitable electrode: (3)

Answer 7

 It is inert
 It is solid
 It is conductive