02 Redox Flashcards
1
Q
What is oxidation ?
A
Reaction which involves
- loss of an electron from an element, compound or ion
- increase in oxidation number of an element, compound or ion
2
Q
What is reduction ?
A
Reaction which involves
- gain of electrons from an element, compound or ion
- decrease in oxidation number of an element, compound or ion
3
Q
What are redox reaction ?
A
Reactions where oxidation and reduction occur simultaneously
4
Q
What is electronegativity ?
A
The ability of an atom in a molecule to attract shared electrons in a bond
5
Q
What is a disproportionation reaction ?
A
A reaction where the same compound is both oxidised and reduced