Consider an Electrochemical Cell Constructed from the Following Half Cells

Multiple Choice

Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge.
- a Fe electrode in 1.0 M FeCl₂ solution
- a Ni electrode in 1.0 M Ni(NO₃) ₂ solution
When the cell is running spontaneously, which choice includes only true statements and no false ones

A) The nickel electrode loses mass and the nickel electrode is the cathode.
B) The nickel electrode gains mass and the nickel electrode is the cathode.
C) The iron electrode gains mass and the iron electrode is the anode.
D) The iron electrode loses mass and the iron electrode is the cathode.