redox Flashcards
1
Q
what is oxidation?
(in terms of oxygen gain or loss)
A
the gain of oxygen
2
Q
what is reduction?
(in terms of oxygen gain or loss)
A
the loss of oxygen
3
Q
what is oxidation?
(in terms of electron transfer)
A
the loss of electrons
4
Q
what is reduction?
(in terms of electron transfer)
A
the gain of electrons
5
Q
when oxidation takes place, the oxidation number _____
A
increases
6
Q
when reduction takes place, the oxidation number ______
A
decreases
7
Q
what is a reducing agent?
A
a substance
that reduces another substance and is itself oxidised
8
Q
what is a reducing agent?
A
a substance
that oxidises another substance and is itself
reduced
