1. Which is the reduction 1/2 reaction?
I2 / Zn^+2
A. Zn <--> Zn^+2 + 2e...
1. Which is the reduction 1/2 reaction?
I2 / Zn^+2
A. Zn <--> Zn^+2 + 2e-
B. 2I^-1 <--> I2(s) + 2e-
C. I2(s) + 2e- <--> 2I^-1
D. Zn^+2 + 2e- <--> Zn
E. I2(s) + Zn <--> 2I^-1 + Zn^+2
F. Ag2S + 2e- <--> 2Ag + S^-2
2.
Which is the oxidation 1/2 reaction?
I2 / Zn^+2
A. Zn <--> Zn^+2 + 2e-
B. 2I^-1 <--> I2(s) + 2e-
C. I2(s) + 2e- <--> 2I^-1
D. Zn^+2 + 2e- <--> Zn
E. I2(s) + Zn <--> 2I^-1 + Zn^+2
F. Ag2S + 2e- <--> 2Ag + S^-2
3.
What is the balanced, net ionic equation?
I2 / Zn^+2
A. Zn <--> Zn^+2 + 2e-
B. 2I^-1 <--> I2(s) + 2e-
C. I2(s) + 2e- <--> 2I^-1
D. Zn^+2 + 2e- <--> Zn
E. I2(s) + Zn <--> 2I^-1 + Zn^+2
F. Ag2S + 2e- <--> 2Ag + S^-2
4.
What is the E(V) value?
I2 / Zn^+2
A. Zn <--> Zn^+2 + 2e-
B. 2I^-1 <--> I2(s) + 2e-
C. I2(s) + 2e- <--> 2I^-1
D. Zn^+2 + 2e- <--> Zn
E. I2(s) + Zn <--> 2I^-1 + Zn^+2
F. Ag2S + 2e- <--> 2Ag + S^-2
5.
Which is the reduction 1/2 reaction?
Sn^+4 / Cr^+2
A. Sn^+2 <--> Sn^+4 + 2e-
B. Sn^+4 + 2e- <--> Sn^+2
C. Cr^+2 + 2e- <--> Cr
D. Cr <--> Cr^+2 + 2e-
E. Sn^+4 + Cr <--> Sn^+2 +Cr^+2
F. Sn^+2 +Cr^+2 <--> Sn^+2 +Cr
6.
Which is the oxidation 1/2 reaction?
Sn^+4 / Cr^+2
A. Sn^+2 <--> Sn^+4 + 2e-
B. Sn^+4 + 2e- <--> Sn^+2
C. Cr^+2 + 2e- <--> Cr
D. Cr <--> Cr^+2 + 2e-
E. Sn^+4 + Cr <--> Sn^+2 +Cr^+2
F. Sn^+2 +Cr^+2 <--> Sn^+2 +Cr
7.
What is the balanced, net ionic equation?
Sn^+4 / Cr^+2
A. Sn^+2 <--> Sn^+4 + 2e-
B. Sn^+4 + 2e- <--> Sn^+2
C. Cr^+2 + 2e- <--> Cr
D. Cr <--> Cr^+2 + 2e-
E. Sn^+4 + Cr <--> Sn^+2 +Cr^+2
F. Sn^+2 +Cr^+2 <--> Sn^+2 +Cr
8.
What is the E(V) value?
Sn^+4 / Cr^+2
A. -0.76 V
B. +0.76 V
C. +1.06 V
D. -1.06 V
9.
Which is the reduction 1/2 reation?
Br2(I) / AgBr(s)
A. Br2 + 2e- <--> 2 Br^-1
B. 2 Br^-1(aq) <--> Br2(I) + 2e-
C. Ag(s) + Br^-1(aq) <--> AgBr(s) + 1e-
D. AgBr(s) + 1e- <--> Ag(s) + Br^-1(aq)
E. 2Ag(s) + 2Br^-1(aq) + Br2(I) <--> 2Br^-1(aq) + Br2(I)
F. 2Br^-1(aq) + AgBr(s) <--> 2Ag(s) + 2Br^-1(aq0 + Br2(I)
G. 2Ag(s) + Br2(I) <--> AgBr(s)
H. AgBr(s) <--> 2Ag(s) + Br2(I)
10.
Which is the oxidation 1/2 reation?
Br2(I) / AgBr(s)
A. Br2 + 2e- <--> 2 Br^-1
B. 2 Br^-1(aq) <--> Br2(I) + 2e-
C. Ag(s) + Br^-1(aq) <--> AgBr(s) + 1e-
D. AgBr(s) + 1e- <--> Ag(s) + Br^-1(aq)
E. 2Ag(s) + 2Br^-1(aq) + Br2(I) <--> 2Br^-1(aq) + Br2(I)
F. 2Br^-1(aq) + AgBr(s) <--> 2Ag(s) + 2Br^-1(aq0 + Br2(I)
G. 2Ag(s) + Br2(I) <--> AgBr(s)
H. AgBr(s) <--> 2Ag(s) + Br2(I)
Answers: 1
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