Question: Write an expression and determine a value for K eq for each voltaic cell in Exercise 18.43 . Exercise 18.43 Use the standard reduction potentials

Write an expression and determine a value for Keq for each voltaic cell in Exercise 18.43 .

Exercise 18.43

Use the standard reduction potentials in Table18.1 to find

(a) A metal ion that reduces Ni2+.

(b) A metal ion that can oxidize Cu.

(c) A metal ion that is reduced by Cr2+ but not H2.

Table 18.1 TABLE 18.1 Standard Reduction Potentials at 25 C Reduction half-reaction F(g) + 2e- Ce4+(aq) + e MnO4 (aq) +

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