Eectrolysis Of Aqueous Solutions

Question 1

If H+ ions and metal ions are present at the cathode, what will be produced?

Answer 1

Hydrogen gas — or a solid layer of pure metal will be produced, which will coat the cathode

Question 2

If OH- and halide ions are present at the anode what will be formed?

Answer 2

Molecules of chlorine bromine or iodine will be formed

Question 3

How do you know if chlorine is present?

Answer 3

Chlorine bleaches damp litmus paper turning it white

Question 4

How do you know if oxygen is present?

Answer 4

Oxygen will relight a glowing splint