Chapter 9 - Production of Chemicals by Electrolysis

Question 1

electrolysis

Answer 1

process where electric current passed through liquid that conducts electricity

Question 2

electrolytic cell

Answer 2

cell where electrolysis occurs.

convert electrical energy to chemical energy

Question 3

electrolyte

Answer 3

liquid that conducts electricity

Question 4

cathode electrolysis

Answer 4

negative electrode.

reduction

Question 5

anode electrolysis

Answer 5

positive electrode.

oxidation

Question 6

non-spontaneous reaction

Answer 6

reaction that would not normally occur without application of electrical energy

Question 7

advantage of molten electrolyte

Answer 7

no water present to react preferentially

Question 8

disadvantage of molten electrolyte

Answer 8

large amounts of electricity needed

Question 9

electroplating

Answer 9

process that uses electrolysis to deposit thin surface coating of metal over another surface

Question 10

object to be plated is connected to which terminal?

Answer 10

negative terminal or power supply.

becomes negative electrode (cathode)