3B. Redox 1 [SET 2] Flashcards
1
Q
Define oxidation in terms of electron transfer and oxidation number
A
Oxidation is
● Loss of electrons
● An increase in oxidation number
2
Q
Define reduction in terms of electron transfer and oxidation number
A
Reduction is
● Gain of electrons
● A decrease in oxidation number
3
Q
What is a redox reaction?
A
A reaction in which both oxidation and reduction takes place
4
Q
What is an oxidising agent?
A
Species that gains electrons.
5
Q
What is a reducing agent?
A
Species that lose electrons.
6
Q
Define the term disproportionation?
A
an atom of an element of the same species is both oxidised and reduced in the reaction