Redox Reactions

Question 1

What is oxidation?

Answer 1

loss of electrons

Question 2

What is reduction

Answer 2

gain of electrons

Question 3

What is an oxidising agent?

Answer 3

a species that is reduced (accepts electrons from the species that is oxidised)

Question 4

What is a reducing agent?

Answer 4

a species that is oxidised (donates electrons to the species that is being reduced)

Question 5

What is meant by the term ‘oxidation state’?

Answer 5

A number that represents the number of electrons lost or gained by an atom of that element in the compound

Question 6

What is the oxidation state of O in MOST compounds?

Answer 6

-2

Question 7

What is the oxidation state of flourine in ALL compounds?

Answer 7

-1

Question 8

What is the oxidation state of H in metal hydrides?

Answer 8

-1

Question 9

What is meant by the term disproportionation?

Answer 9

In a redox reaction, the oxidation states for atoms of the same element increase for some atoms and decrease for others

Question 10

What is the oxidation state of an element?

Answer 10

0