A) Oxidation of Cu
B) Reduction of Cu
C) Oxidation of Ag
D) Reduction of \[NO_{3}^{-}\]
Correct Answer: A
Solution :
Cu is placed above Ag in electrochemical series, hence it can replace Ag from its salts solution. Therefore the reaction occurs as follows, \[\overset{0}{\mathop{Cu}}\,+AgN{{O}_{3}}\xrightarrow{\text{Oxidation}}\overset{+1}{\mathop{Cu}}\,N{{O}_{3}}+Ag\]
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