Redox I Flashcards
1
Q
What is oxidation?
A
When a substance loses electrons causing an increase in oxidation number of the element involved
2
Q
What is reduction?
A
When a substance gains electrons causing a decrease in oxidation number of the element involved
3
Q
O I L R I G
A
Oxidation is loss Reduction is gain
4
Q
what is an Oxidising agent?
A
a substance that oxidises another substance while itself gets reduced
5
Q
what is a reducing agent
A
a substance that reduces another substance while itself gets oxidised
6
Q
what is the oxidation number?
A
A measure of the degree of oxidation or reduction of an atom in a chemical compound
7
Q
what is disproportionation?
A
A reaction in which an element in a single species is simultaneously reduced and oxidised
