Redox Reactions Flashcards
1
Q
Redoxreations
A
one species gains electrons (gain) and one species looses electrons (oxidized)
2
Q
Oxidation state
A
reduced- decreased oxidation number
oxidized- increases oxidation number
3
Q
Reduction
A
lose oxygen or gain hydrogen
4
Q
Oxidation
A
gain oxygen or lose hydrogen
5
Q
Oxidizing agents
A
oxidizing agents are being reduced
6
Q
Reducing agents
A
reducing agents are being oxidized
7
Q
Common oxidizing agents
A
Na2Cr2O7 PCC (weak) CrO3 H2O2 Ag2 K2Cr2O7
8
Q
Common reducing agents
A
NaBH4 - weak
LiAlH4 - strong
9
Q
Oxidation numbers
A
Pure elements: 0
Monoatomic ions: their charge
Fluorine = -1
Oxygen = -2
10
Q
Non-redox reaction
A
oxidation numbers do not change
- precipitate reaction
- substitution reactions
- acid-base neutralization
