Year 10 / Year 11 Electrolysis of aqueous solutions - Phoenix Hoyle | Library

4

Which ions would be in an aqueous solution of copper sulfate NaCl(aq)

3

Which ions would be in an aqueous solution of sodium chloride (aq)

4

Complete the diagram

Other Answer Choices:

reduction at the cathode

oxidation at anode

NaCl (aq)

Cl2

H2

1

Match the product to the electrode.

1

Which electrode will be coated with copper?

1

Brine is a concentrated sodium chloride solution.
Contains Cl-
H+
Na+
and OH-

At the cathode 2H⁺ + 2 e⁻ → H₂ (reduction)
At the anode 2Cl⁻ → Cl₂ + 2e⁻ (oxidation).

Other Answer Choices:

Hydrogen gas

sodium hydroxide

cathode

anode

4

Other Answer Choices:

Cl2

Br2

H2

Pb

1

4

Other Answer Choices:

DC power source

Anode oxidation

cathode (reduction)

electrolyte

1