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2AgNO3 (aq)+Cu (s)→Cu(NO3)2 (aq)+2Ag (s) If the oxidation number of copper changes from 0 to +2, is this a redox reaction? A) Yes; copper lost 2 electrons and was oxidized. B) No; copper gained 2 electrons and was reduced.  C) No, the products have as many electrons as the reactants. D) Yes, the products have 2 fewer electrons than the reactants.

2AgNO3 (aq)+Cu (s)→Cu(NO3)2 (aq)+2Ag (s) If the oxidation number of copper changes from 0 to +2, is this a redox reaction? A) Yes; copper lost 2 electrons and was oxidized. B) No; copper gained 2 electrons and was reduced.  C) No, the products have as many electrons as the reactants. D) Yes, the products have 2 fewer electrons than the reactants.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Study the reaction.

 

2????3 (aq)+?? (s)→??(??3)2 (aq)+2?? (s)2AgNO3 (aq)+Cu (s)→Cu(NO3)2 (aq)+2Ag (s)

If the oxidation number of copper changes from 0 to +2, is this a redox reaction?

A) Yes; copper lost 2 electrons and was oxidized.
B) No; copper gained 2 electrons and was reduced. 
C) No, the products have as many electrons as the reactants.
D) Yes, the products have 2 fewer electrons than the reactants.
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