Lect 19/30

Question 1

What is oxidation?

Answer 1

loss of electrons

Question 2

What is reduction?

Answer 2

gain of electrons

Question 3

do metals oxidize or reduce?

Answer 3

oxidize

Question 4

Do non metals oxidize or reduce?

Answer 4

reduce

Question 5

What 2 word make up redox?

Answer 5

reduction and oxidation

Question 6

Are double replacement reactions redox?

Answer 6

No, never

Question 7

Are single replacement reactions redox?

Answer 7

yes, always

Question 8

Are direct combination reactions redox?

Answer 8

yes, always

Question 9

Are decomposition reactions redox?

Answer 9

sometimes

Question 10

Are combustion reactions redox?

Answer 10

yes, always

Question 11

What is disproportionation?

Answer 11

oxidizing agent is also the reducing agent

Question 12

What 2 types of replacement does anion replacement include?

Answer 12

• hydrogen replacement
• metal replacement

Question 13

What 2 types of replacement does cation replacement include?

Answer 13

• halogens
• halide ions

Question 14

metal atoms are:
metal cations are:

Answer 14

• atoms oxidized
• cations reduced

Question 15

halide ions are:

Answer 15

oxidized

Question 16

relation between reactivity of metal and its cation

Answer 16

opposites

Question 17

relationship between reactivity of halide and its anion

Answer 17

opposites