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Problem: Determine which redox reaction occurs spontaneously in the forward direction.a. Ni (s) + Pb2+ (aq) → Ni2+ (aq) + Pb (s)b. Al (s) + 3 Ag+ (aq) → Al3+ (aq) + 3 Ag (s)c. Pb (s) + Mn2+ (aq) → Pb2+ (aq) + Mn (s)d. Ni (s) + Zn2+ (aq) → Ni2+ (aq) + Zn (s)

FREE Expert Solution

The higher the metal is in this table, the more active it is

The reactions at the top of the activity series of metals are most likely to occur in the forward direction

If we pair a half- reaction from the top of the list with the reverse of a half-reaction from the bottom of the list, we get a spontaneous reaction.


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Problem Details

Determine which redox reaction occurs spontaneously in the forward direction.

a. Ni (s) + Pb2+ (aq) → Ni2+ (aq) + Pb (s)

b. Al (s) + 3 Ag+ (aq) → Al3+ (aq) + 3 Ag (s)

c. Pb (s) + Mn2+ (aq) → Pb2+ (aq) + Mn (s)

d. Ni (s) + Zn2+ (aq) → Ni2+ (aq) + Zn (s)

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Activity Series concept. You can view video lessons to learn Activity Series. Or if you need more Activity Series practice, you can also practice Activity Series practice problems.