1. Based on the reduction potential values, which of the following is most easily oxidized? A) Cl- B) I- C) Pb D) Zn

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Chapter19: Electrochemistry
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Problem 19.119QP: A solution of copper(II) sulfate is electrolyzed by passing a current through the solution using...
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please answer no. 1-4 :)

1. Based on the reduction potential values, which of the following is most easily oxidized?
A) Cl-
B) I-
C) Pb
D) Zn
2. When the following redox equation is balanced with smallest whole number coefficients, the
coefficient for the hydrogen sulfate ion will be
Al(s) + HSO4 - (aq) + OH- (aq) → Alz03(s) + S2 (aq) + H2O (1)
A) 1
B) 3
C) 4
D) 8
E) None of these choices is correct.
3. When the following redox equation is balanced with smallest whole number coefficients, the
coefficient for nitrogen dioxide will be.
I2(s) + HNO3 (aq) → HIO; (aq) + NO2 (g) + H20 (1)
A) 1
B) 2
C) 4
D) 10
E) None of these choices is correct.
4. When the following redox equation is balanced with smallest whole number coefficients, the
coefficient for the iodide ion will be
|- (aq) + NO3 - (aq) → NO (g) + Iz(s) (acidic solution)
A) 2
B) 3
C) 6
D) 8
E) None of these choices is correct.
Transcribed Image Text:1. Based on the reduction potential values, which of the following is most easily oxidized? A) Cl- B) I- C) Pb D) Zn 2. When the following redox equation is balanced with smallest whole number coefficients, the coefficient for the hydrogen sulfate ion will be Al(s) + HSO4 - (aq) + OH- (aq) → Alz03(s) + S2 (aq) + H2O (1) A) 1 B) 3 C) 4 D) 8 E) None of these choices is correct. 3. When the following redox equation is balanced with smallest whole number coefficients, the coefficient for nitrogen dioxide will be. I2(s) + HNO3 (aq) → HIO; (aq) + NO2 (g) + H20 (1) A) 1 B) 2 C) 4 D) 10 E) None of these choices is correct. 4. When the following redox equation is balanced with smallest whole number coefficients, the coefficient for the iodide ion will be |- (aq) + NO3 - (aq) → NO (g) + Iz(s) (acidic solution) A) 2 B) 3 C) 6 D) 8 E) None of these choices is correct.
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