Problem: Current is applied to an aqueous solution of calcium iodide. What is produced at the cathode?a) O2(g)b) H2(g)c) Ca(s)d) I2(s)What is produced at the anode?a) O2(g)b) H2(g)c) I2(s)d) Ca(s)

FREE Expert Solution

In this problem, we are asked to determine the product in the cathode and the anode when current is applied to an aqueous solution of calcium iodide.


When current is applied to CaBr2 it would dissociate into its individual ions:

CaI2(aq) → Ca2+(aq) + 2 I(aq)

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Problem Details

Current is applied to an aqueous solution of calcium iodide. 

What is produced at the cathode?

a) O2(g)

b) H2(g)

c) Ca(s)

d) I2(s)


What is produced at the anode?

a) O2(g)

b) H2(g)

c) I2(s)

d) Ca(s)

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Galvanic Cell concept. You can view video lessons to learn Galvanic Cell. Or if you need more Galvanic Cell practice, you can also practice Galvanic Cell practice problems.