when a clean iron nail is placed in an aqueous solution of c

when a clean iron nail is placed in an aqueous solution of copper(ll) sulfate, the nail becomes coated with a brownish black material.

a.) What is the name of the material coationg the iron?

b.) What are the oxidizing and reducing agents?

c.) Can this reaction be made into a voltaic cell?

d.) Write the blanced equation for the reaction.

e.) Calculate the Ecell for this process

Solution

The material is copper.

It all relates to the activity series of metals (http://en.wikipedia.org/wiki/Reactivity_