18. Oxidation states

Question 1

What is an oxidation state?

Answer 1

Oxidation state - hypothetical measure of charge in atoms which would be gained if bonds were 100% ionic

Question 2

Can oxidation states be non-whole numbers?

Answer 2

Yes

Question 3

Oxidation - reduction

Oxidising agent - reducing agent

2HBr + H₂SO₄ → Br₂ + SO₂ + 2H₂O

Answer 3

Question 4

What is disproportionation?

Answer 4

When in a reaction the same element gains two different oxidation states

Question 5

What is comproportionation?

Answer 5

When in a reaction the same element goes from two different oxidation states into one oxidation state