Classify each of the following redox reactions as a combination, decomposition,
ID: 740272 • Letter: C
Question
Classify each of the following redox reactions as a combination, decomposition, or displacement reaction, give a balanced molecular equation for each, as well as total and net ionic equations for parts (b) and (c), and identify the oxidizing and reducing agents(A)Cu(s) + AgNO3(aq) Cu(NO3)2(aq) + Ag(s)
-combination
-decomposition
-displacement
molecular equation
...... Cu(s) +...... AgNO3(aq)-----> ...... Cu(NO3)2(aq) + ...... Ag(s)
reducing agent
......
oxidizing agent
........
total ionic equation
...... Cu(s) + ..... Ag^+(aq) +....... NO3 -(aq) ----> ...... Cu2+(aq) + ...... NO3 -(aq) + ..... Ag(s)
net ionic equation
.... Cu(s) + ..... Ag+(aq) + ...... NO3 -(aq)------> .... Cu2+(aq) + .... NO3 -(aq) +
......Ag(s)
(B)Cl2(g) + KBr(aq) KCl(aq) + Br2(g)
combination
decomposition
displacement
molecular equation
Cl2(g) + KBr(aq) KCl(aq) + Br2(g)
reducing agent
oxidizing agent
total ionic equation
Cl2(g) + K+(aq) + Br -(aq) K+(aq) + Cl -(aq) + Br2(g)
net ionic equation
Cl2(g) + K+(aq) + Br -(aq) K+(aq) + Cl -(aq) + Br2(g)
Explanation / Answer
(A)Cu(s) + AgNO3(aq) Cu(NO3)2(aq) + Ag(s) -displacement molecular equation Cu(s) +2AgNO3(aq)-----> Cu(NO3)2(aq) + 2Ag(s) reducing agent Cu oxidizing agent AgNO3 total ionic equation Cu(s) + 2 Ag^+(aq) +2 NO3 -(aq) ---->Cu2+(aq) +2NO3 -(aq) + 2Ag(s) net ionic equation Cu(s) + 2Ag+(aq)-----> Cu2+(aq) + 2Ag(s) (B)Cl2(g) + KBr(aq) KCl(aq) + Br2(g) displacement molecular equation Cl2(g) + 2KBr(aq)-----> 2KCl(aq) + Br2(g) reducing agent KBr oxidizing agent Cl2 total ionic equation Cl2(g) + 2K+(aq) + 2Br -(aq) -----> 2K+(aq) + 2Cl -(aq) + Br2(g) net ionic equation Cl2(g) + 2Br -(aq) ----> 2Cl -(aq) + Br2(g)