Solution: An aqueous KI solution to which a few drops of
Chapter 18, Problem 18.83(choose chapter or problem)
An aqueous KI solution to which a few drops of phenolphthalein have been added is electrolyzed using an apparatus like the one shown here: Describe what you would observe at the anode and the cathode. (Hint: Molecular iodine is only slightly soluble in water, but in the presence of I2 ions, it forms the brown color of I3 2 ions. See 12.102.)
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