Electrochemistry : ( Flashcards
1
Q
Oxidation
A
Gain of Oxygen
Loss of Hydrogens
Loss of electrons
2
Q
Reduction
A
Loss of Oxygen
Gain of Hydrogens
Gain of electrons
3
Q
Spontaneous Reactions
A
Requires a negative gradient
4
Q
Cell Potential
A
Oxidant - Reductant
5
Q
Function of Electrolyte
A
Source of Ions which maintains the neutrality of cells
Completes the circuit
6
Q
Types of Electrodes
A
Platinum - gases
Graphite - Gases
Metal
7
Q
What does Anodic Sludge contain
A
Typically rare precious metals such as Gold, Silver and Platinum / This is because they are stronger oxidants than copper so they wont readily oxidise