1.3 - Oxidation And Reduction

Question 1

Give properties of Oxidising agents

Answer 1

• becomes reduced
• accepts electrons
• have high EN values
• usually non-metals
• group 7 are the best

Question 2

Give properties of Reducing by agents

Answer 2

• becomes oxidised
• donates electrons
• have low EN values
• usually metals
• group 1 are the best

Question 3

What are the steps for writing an ion-electron equation

Answer 3

1- balance main atom

2- balance oxygen by adding water (H2O)

3- balance hydrogen by adding H+ ions

4- balance charges by adding e-

Question 4

Uses for oxidising agents

Answer 4

• bleach products
• antiseptic

Eg. Dichromate, permanganate, hydrogen peroxide

Question 5

Name a strong reducing agent

Answer 5

Eg. Carbon monoxide