OXIDATION AND REDUCTION Flashcards
1
Q
what is oxygen
A
an oxidising agent
2
Q
what is oxidation in terms of electrons
A
loss of electrons
3
Q
what is reduction in terms of electrons
A
gain of electrons
4
Q
what are oxidation states
A
the oxidation state of an atom is the charge a species would have if the bonding was ionic
5
Q
rules for oxidation states of complex ions
A
metals - always positive
hydrogen- +1 but with metals (-1)
fluorine - always -1
oxygen - -2 except peroxides (-1) or wiith F
chlorine - -1 except with oxygen or fluorine
6
Q
rules for oxidation states of elements
A
0
7
Q
rule for oxidation states of simple ions
A
oxidation state = charge on ion
8
Q
rule of oxidation states for molecules
A
sum of oxidation states = 0
