11A Redox Reactions Flashcards
1
Q
What are three examples of redox reaction?
A
- respiration
- gas heaters at home
- batteries
2
Q
What are redox reactions a combination of?
A
reduction and oxidation
3
Q
What does OILRIG stand for?
A
Oxidation is loss of electrons
Reduction is gain of electrons
4
Q
What is an oxidising agent?
A
causes another chemical to be oxidised and it itself is reduced
5
Q
What is a reducing agent?
A
causes another chemical to be reduced and it itself is oxidised
6
Q
What are the oxidation number rules?
A
1) an element alone has a 0 charge
2) together the oxidation number relies on the periodic table
7
Q
How to identify oxidation?
A
the oxidising number goes up
8
Q
How to identify reduction?
A
the oxidising number goes down
