9 redox processes Flashcards
1
Q
redox reactions definition
A
electron transfer reactions where reduction and oxidation occur simultaneously
2
Q
5 instances of reduction
A
- remove O
- gain H
- Gain e-
- decr oxidation number
- oxidising agent (oxidant)
3
Q
oxidation numbers of elements
A
0
4
Q
oxidation numbers of ions (single)
A
charge
5
Q
oxidation numbers of ionic compoudns
A
sum of oxidation no = ionic chrge
6
Q
oxidation numbers of ionic compound with names and numbers
A
roman numeral = oxidation number
7
Q
oxidation numbers of covalent compounds
A
more elctronegative atom = negative oxi number
- grp 1 = +1
- grp 2 = +2
- grp 3 = +3
- H = +1
- O = -2
- F = -1
8
Q
A