5.4.3.5 representation of reactions at electrodes as half equations (ht only)

Question 1

During electrolysis at the cathode positively charged ions ____ electrons and so the reactions are reductions

Answer 1

Gain

Question 2

At the anode, negatively charged ions ____ electrons so the reactions are oxidation’s

Answer 2

Lose

Question 3

Reactions at electrodes can be represented as

Answer 3

Half equations

Question 4

Name examples of half equations