Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.103QE
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Question
please answer no. 1-4 :)
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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