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

question 49

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

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