Electrolysis and redox

2 marks · Normal

For the electrolysis of molten calcium bromide (CaBr_2):

(a)

Which electrode (anode or cathode) is the site of oxidation?

[1 mark]

(b)

Which electrode reaction involves reduction?

[1 mark]

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show answer

(a) Anode

(b) Cathode

Common mistakes: Mixing up anode and cathode reactions.

Show mark scheme and worked solution

Marking points

B1 (a) · 1 mark · Correctly identifies anode as site of oxidation.

B1 (b) · 1 mark · Correctly identifies cathode as site of reduction.

Worked solution

a. Anode

b. Cathode