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Q-18
2.
Use your results to create, in the space below, a Displacement Series (i.e. Substitution Series)
with the strongest reducing agent at the top. Write the reduction half-reaction in each case. Zn is
the best reducing agent studied and is entered on the top line for you as an example. You should
include the other four metals that were used and the three halogens in the table. Note that you
cannot definitely place silver with respect to bromine and chlorine from your measurements and
observations.
a.
Zn
2+
+ 2e
-
Zn
b.
c.
d.
e.
f.
g.
h.
3.
a)
Balance the following redox equations:
Ag
(s)
+
I
2(aq)
Zn
(s)
+
Cd
2+
(aq)
Pb
2+
(aq)
+
I
-
(aq)
Cd
(s)
+
Cu
2+
(aq)
b)
Using your experimental values, calculate the standard potential for each reaction and
identify which of these reactions are spontaneous?
