electrochemistry Flashcards
1
Q
What are some exceptions to the rule for oxidation
states?
A
● Hydrogen in metal hydrides has an oxidation
state of -1 (instead of +1).
● Oxygen in peroxides has an oxidation state of
-1 (instead of -2).
2
Q
What is oxidation?
A
Loss of electrons / increase in oxidation
number
3
Q
What is reduction?
A
Gain of electrons / decrease in oxidation
number
