We're being asked to determine the products formed in the electrodes upon the formation of NaI.
In this case, we need to determine what reactions are in the cathode and anode.
We can determine the anode and cathode by comparing their E° values.
When an aqueous solution of NaI is electrolyzed, what forms at the electrodes?
a. Cathode: H2; anode: I2
b. Cathode: Na; anode: I2
c. Cathode: I2; anode: H2
d. Cathode: Na; anode: H2
e. Cathode: Br2; anode: Na
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Our tutors have indicated that to solve this problem you will need to apply the Electrolysis of Water & Mixture of Ions concept. If you need more Electrolysis of Water & Mixture of Ions practice, you can also practice Electrolysis of Water & Mixture of Ions practice problems.
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