Lect 19/30 Flashcards
1
Q
What is oxidation?
A
loss of electrons
2
Q
What is reduction?
A
gain of electrons
3
Q
do metals oxidize or reduce?
A
oxidize
4
Q
Do non metals oxidize or reduce?
A
reduce
5
Q
What 2 word make up redox?
A
reduction and oxidation
6
Q
Are double replacement reactions redox?
A
No, never
7
Q
Are single replacement reactions redox?
A
yes, always
8
Q
Are direct combination reactions redox?
A
yes, always
9
Q
Are decomposition reactions redox?
A
sometimes
10
Q
Are combustion reactions redox?
A
yes, always
11
Q
What is disproportionation?
A
oxidizing agent is also the reducing agent
12
Q
What 2 types of replacement does anion replacement include?
A
- hydrogen replacement
- metal replacement
13
Q
What 2 types of replacement does cation replacement include?
A
- halogens
- halide ions
14
Q
metal atoms are:
metal cations are:
A
- atoms oxidized
- cations reduced
15
Q
halide ions are:
A
oxidized