Describe what you would expect to observe, if anything, when a piece of nickel is placed in a solution of copper(II) nitrate. (select all that apply) a. Solid copper would form on the surface of the nickel metal.
b. The blue color of the solution would become darker.
c. Nickel atoms are converted to nickel ions in solution.
d. The blue color of the solution would become lighter.
e. No reaction would occur.