When Cu(NO 3 ?) 2 ( aq ) reacts with Zn( s ), Cu( s ) is a product. Cu(NO 3 ?) 2

Question

When Cu(NO3?)2(aq) reacts with Zn(s), Cu(s) is a product.

Cu(NO3?)2(aq) + Zn(s) ? Cu(s) + Zn(NO3?)2(aq)

Which statement best describes what happened in this redox reaction?

A) Zn(s) is reduced to Zn2+?(aq) by the oxidizing agent, Cu2+. B) Cu2+?(aq) is oxidized (to Cu(s)) by the reducing agent, Zn(s). C) Cu2+, as an oxidizing agent, causes Zn(s) to be oxidized to Zn2+?(aq). Zn(s), as a reducing agent, causes Cu2+?(aq) to be reduced to Cu(s). D) Zn(s) bonds with Cu(NO3?)2 to form Zn(NO3?)2(aq),releasing copper metal.

Explanation / Answer

c) Cu2+, as an oxidizing agent, causes Zn(s) to be oxidized to Zn2+?(aq). Zn(s), as a reducing agent, causes Cu2+?(aq) to be reduced to Cu(s).

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