Topic 3 - Redox 1

Question 1

Oxidation number

Answer 1

The charge of an ion or a theoretical charge of an atom in a covalently bonded compound

Question 2

Oxidation

Answer 2

Loss of electron, increase in oxidation number

Question 3

Reduction

Answer 3

Gain of electron, decrease in oxidation number

Question 4

Redox

Answer 4

A reaction which involves reduction and oxidation

Question 5

Oxidising agent

Answer 5

Species that accepts electron and gets reduced, oxidising another

Question 6

Reducing agent

Answer 6

Species that loses electron and gets oxidised, reducing another

Question 7

Disproportionation

Answer 7

A redox reaction involving an element in a single species being both oxidised and reduced