Unit 3 Written Flashcards
1
Q
A
D.C (direct current)
2
Q
A
From magnesium to silver
3
Q
A
4
Q
A
5
Q
A
6
Q
A
A
7
Q
A
A
8
Q
A
9
Q
A
10
Q
A
11
Q
Name the piece of apparatus labelled X
A
Ion bridge
12
Q
A
electrolyte
13
Q
A
14
Q
A
Carbon (graphite)
15
Q
A
16
Q
A
It conducts electricity
17
Q
A
It is insoluble
18
Q
A
19
Q
A
It would increase
20
Q
A
21
Q
A
A
22
Q
A
A
metals always conduct electricity due to delocalised electrons
23
Q
A
F
Metals below H+ ions in the electrochemical series cannot displace H+ ions from solution
24
Q
A
A
Metals below H+ ions in the electrochemical series cannot displace H+ ions from solution
25
B A C
26
Electrons flow from metal higher in electrochemical series to one lower down
27
A
Metals including Al and above can only be obtained from their ores by Electrolysis
28
E
Hydrogen. Metals are oxidised (lose their electrons) to the H+ (aq) ions allowing them to form a covalent bond and come off as hydrogen gas
29
A&D
Ionic solutions will conduct as the ions are free to move.
Metals always conduct due to their delocalised electrons
30
B
(biggest difference between metals on echem series)
31
B
(biggest difference between metals on echem series)
32
D
Metal X must be higher up and biggest difference is between Mg and Ag
33
(LO 15)
Electrolyte
34
Ion bridge
35
D
36
Iron
37
ammonium nitrate
38
Blue
Purple
