Look at the single replacement reaction below. Use the rules to assign oxidation numbers to each element in the reaction. Choose the 4 statements below that are TRUE of the reaction.

Question

Mg(s)+CuO(s)----> MgO(s)+Cu(s)

a
The oxidation number of magnesium increases.
b
The oxidation number of copper decreases.
c
The oxidation number of copper increases.
d
The oxidation number of magnesium decreases.
e
Copper undergoes oxidation.
f
Copper undergoes reduction.
g
Magnesium undergoes oxidation.
h
Magnesium undergoes reduction.

Answer 1

c
The oxidation number of copper increases.

d
The oxidation number of magnesium decreases.

e
Copper undergoes oxidation.

g
Magnesium undergoes oxidation.