Electrolysis

Question 1

anions go to the..

Answer 1

anode

Question 2

cations go to the..

Answer 2

cathode

Question 3

what is the name of the positive electrode?

Answer 3

anode

Question 4

what is the name of the negative electrode?

Answer 4

cathode

Question 5

reduction is the..

Answer 5

gain of electrons

Question 6

oxidation is the..

Answer 6

loss of electrons

Question 7

what are cations?

Answer 7

positively charged ions

Question 8

what are anions?

Answer 8

negatively charged ions

Question 9

why must compounds be molten in order for electrolysis to work?

Answer 9

the ions must be able to move

Question 10

do metals form at the anode or cathode

Answer 10

cathode

Question 11

do metal forms form ions or anions

Answer 11

ions

Question 12

at the anode if -ions are halogens what is produced?

Answer 12

the halogen

Question 13

at the anode if -ions are not halogens what is produced?

Answer 13

oxygen

Question 14

at the cathode if +ions (metals) are more reactive than hydrogen what is produced?

Answer 14

the hydrogen

Question 15

at the cathode if +ions (metals) are less reactive than hydrogen what is produced?

Answer 15

the metal

Question 16

1 faraday = how many coulombs?

Answer 16

96 000 coulombs

Question 17

equation for quantity of electrons..

Answer 17

quantity of electrons = current x time

Question 18

what is electrolysis?

Answer 18

the decomposition of a substance by passing an electric current through it