Question 1
Using the following portion of the activity series for oxidation half-reactions, determine which combination of reactants will result in a reaction.
Li(
s) → Al
3+(
aq) + e
-
Cr(
s) → Al
3+(
aq) + 3e
-
◦ Li
+(
aq) with Al(
s)
◦ Li(
s) with Al(
s)
◦ Li(
s) with Al
3+(
aq)
◦ Li
+(
aq) with Al
3+(
aq)
Question 2
Using the following portion of the activity series for oxidation half reactions
K(
s) → K
+(
aq) + e
-
Al(
s) → Al
3+(
aq) + 3e
-
Fe(
s) → Fe
2+(
aq) + 2e
-
Sn(
s) → Sn
2+(
aq) + 2e
-
determine which reaction will occur.
◦ K
+(
aq) with Fe
2+(
aq)
◦ Al(
s) with Sn(
s)
◦ Al
3+(
aq) with Fe(
s)
◦ K(
s) with Sn
2+(
aq)