Electrolysis of Brine

Question 1

What are the ions in brine?

Answer 1

H+
Cl-
Na+
OH-

Question 2

Which ion in brine is attracted to the negative electrode?

Answer 2

H+

Question 3

Which ion in brine is attracted to the positive electrode?

Answer 3

Cl-

Question 4

Which ions remain in brine during electrolysis?

Answer 4

Na+, OH-

Question 5

What compound is formed in the electrolysis of brine?

Answer 5

NaOH (sodium hydroxide)

Question 6

What is sodium hydroxide used for?

Answer 6

Soap

Bleach

Question 7

What is chlorine gas used for?

Answer 7

Plastics

Bleach

Killing bacteria

Question 8

What is hydrogen gas used for?

Answer 8

Fuel

Question 9

Which ion forms on the cathode during electrolysis?

Answer 9

The least reactive positive ion

Question 10

Which product of the electrolysis of brine is used in PVC?

Answer 10

Chlorine

Question 11

Which product of the electrolysis of brine tread drinking water?

Answer 11

Chlorine

Question 12

Which product of the electrolysis of brine is used in bleach?

Answer 12

Chlorine

Sodium hydroxide

Question 13

Which product of the electrolysis of brine is in ammonia?

Answer 13

Hydrogen

Question 14

What may brine also be known as?

Answer 14

Sodium hydroxide solution

Question 15

Why is hydrogen attracted to the cathode?

Answer 15

Sodium is more reactive

Question 16

What forms at the anode in electrolysis of brine?

Answer 16

Chlorine gas (Cl2)

Question 17

What forms at the cathode in electrolysis of brine?

Answer 17

Hydrogen gas (H2)