A Piece of Copper Metal Was Added to an Aqueous $\rarr$

Multiple Choice

A piece of copper metal was added to an aqueous solution of silver nitrate, and within a few minutes it was observed that a grey crystalline solid formed on surface of the copper. The solution turned a blue color characteristic of copper(II) ions. Select the correct balanced chemical equation for this reaction.

A) Cu(s) + AgNO₃(aq) $\rarr$ Ag(s) + Cu(NO₃) ₂(aq)
B) Cu(s) ₂ + AgNO₃(aq) $\rarr$ Ag(s) + Cu(NO₃) ₂(aq)
C) Cu(s) + 2AgNO₃(aq) $\rarr$ 2Ag(s) + Cu(NO₃) ₂(aq)
D) 2Cu(s) + 2AgNO₃(aq) $\rarr$ 2Ag(s) + 2Cu(NO₃) ₂(aq)
E) None of the above