These problems are similar to what you have done in lab, but not identical. If y

Question

These problems are similar to what you have done in lab, but not identical. If you need more information, refer to your General Chemistry textbook for assistance. To receive full credit, you must SHOW ALL YOUR WORK!! Consider the following half reactions. Which is the weakest oxidizing agent? Which is the strongest oxidizing agent? Which is the strongest reducing agent? Which is the weakest reducing agent? Will AI(s) reduce Fe^3+ (aq) to Fe^2+ (aq)? Will Au(s) reduce Pb^2+ (aq) to Pb? Which ions can be reduced by Pb(s)? The standard cell potential for the oxidation of Ni by Ag^+ is 1.05 V 2 Ag^+ + Ni(s) rightarrow Ni^2+ (aq) + 2 Ag(s) Calculate delta G degree for this reaction.

Explanation / Answer

a)

The one with maximum Eo value is weakest oxidizing agent

Answer: Au3+

b)

The one with minimum Eo value is strongest oxidizing agent

Answer: Al3+

c)

The one with maximum Eo value is strongest reducing agent

Answer: Au

d)

The one with minimum Eo value is weakest reducing agent

Answer: Al

e)

Al is weakest reducing agent.

SO it cant reduce Fe3+ to Fe2+

f)

Au is strongest reducing agent

So it can reduce Pb2+ to Pb

g)

Pb can reduce only Al3+

I am allowed to answer only 1 question at a time

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