Past Exam Questions

Question 1

Define reduction in terms of electron transfer

Answer 1

Increase in electrons

Question 2

Define reduction in terms of change in oxidation number

Answer 2

Decrease in oxidation number

Question 3

Define oxidation in terms of electron transfer

Answer 3

Loss of electrons

Question 4

Define oxidation in terms of change in oxidation number

Answer 4

Increase in oxidation number

Question 5

Define oxidation number

Answer 5

The charge that an atom has or appears to have when electrons are distributed according to certain rules