An iron nail placed in a solution copper (ll) tetraoxosulphate (VI) is soon covered with a deposit of copper which of the following equations represents the reactions ?
-
A.
Fe 2+(aq) + Cu(s) → Fe 3+ + Cu 2+(aq) -
B.
Fe 2+(aq) + Cu(s) → Fe(s) + Cu2+(aq) -
C.
Fe (s) + Cu2+(aq) → Fe2+(aq) + Cu2+(aq) -
D.
Fe(s) + Cu2+ → Fe2+(aq) + Cu(s)