Unit 1 : Redox

Question 1

What happens in an oxidation reaction

Answer 1

Electrons are lost

Question 2

Oxidation of zinc

Answer 2

Zn(s) —> Zn2+(aq) + 2e-

Question 3

What happens during a reduction reaction

Answer 3

Electrons are gained

Question 4

Reduction of copper

Answer 4

Cu2+(aq) + 2e- —> Cu(s)

Question 5

What is a redox equation

Answer 5

A reaction in which both oxidation and reduction occur

Question 6

Redox equation for zinc reacting with copper

Answer 6

Zn(s) + Cu2+(aq) —> Zn2+ + Cu(s)