If a Cu²⁺ Ion Drops Through a Potential Difference of 12

Multiple Choice

If a Cu²⁺ ion drops through a potential difference of 12. V, it will acquire a kinetic energy (in the absence of friction) of

A) 12. J.
B) 12. eV.
C) 24. eV.
D) 6.0 J.
E) 6.0 eV.