Prelab for Experiment 22 Chemical Reactions and Electricity

Name ___________________________

Partner __________________________

1. What color are Cu⁺² ions in water?

2. What is a more scientific name for a battery?

3. In a citrus cell battery, should the different pieces of metal be allowed to touch inside the fruit?

4. What common item can be used in place of graphite rods in a simple electrolytic cell?

5. If the indicator phenolphthalein appears pink in color, this signals the presence of which excess ion in solution?