Halide ions can be deposited at a silver anode, the reaction being
Suppose that a cell was formed by immersing a silver anode in an analyte solution that was 0.0250 NM Cl-, Br-, Br-, and I- ions and connecting the half-cell to saturated calomel cathode via a salt bridge.
(a) Which halide would form first and at what potential? Is the cell galvanic or electrolytic?
(b) Could I- and Br- be separated quantitatively? (Take 1.00 ×10-5 M as the criterion for quantitative removal of an ion.) If a separation is feasible, what range of cell potential could be used?
(c) Repeat part (b) for I- and CI-.
(d) Repeat part (b) for Br- and CI-
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