Unit 3 - Redox Flashcards
1
Q
What is reduction?
A
Gain of electrons
2
Q
What is meant by a redox reaction?
A
The overall reaction taking place between a substance that is being oxidised and another which is being reduced
3
Q
What is the meaning of OIL RIG ?
A
oxidation is loss reduction is gain
4
Q
An oxidising agent is itself…
A
Reduced
5
Q
A reducing agent is itself…
A
Oxidised
6
Q
What are electronegativity values like for reducing agents?
A
Low
7
Q
What are electronegativity values like for oxidising agents?
A
High
8
Q
Where are oxidising agents found on the electrochemical series?
A
Bottom left
9
Q
Where are reducing agents found on the electrochemical series?
A
Top right
10
Q
What are the stages of writing an ion electron equation?
A
Write reactant and product Balance the key element Add water to balance oxygen Add H positive to balance hydrogen Balance the charge
11
Q
What is oxidation?
A
The loss of electrons
