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MULTIPLE CHOICE QUESTIONS The electrode potential of a metal is: The most acceptable method of obtaining standard electrode potential is by ( The potential which exists at the inter- face between the metal and the elec- comparing the electrode potentials of a metal half cell with a hydrogen half cell trolyte T The potential between the anodic and cathodic areas of the metal 1 comparing the electrode potential of a metal immersed in a solution of its ions 1 The potential between two metals immersed completely in the same elec- trolyte The potential of a metal with respect to another metal, which is at a higher at any concentration, with the hydrogen half cell comparing the electrode potential metal with any standard electrode, such as Ag-AgCl or Calomel electrode | None of the above a concentration The double layer is formed as a result of [ attractive forces between negative charged metal surface and positive ions only repulsive forces between like positive ions only ( both attractive and repulsive forces between ions None of the above

MULTIPLE CHOICE QUESTIONS The electrode potential of a metal is: The most acceptable method of obtaining standard electrode potential is by ( The potential which exists at the inter- face between the metal and the elec- comparing the electrode potentials of a metal half cell with a hydrogen half cell trolyte T The potential between the anodic and cathodic areas of the metal 1 comparing the electrode potential of a metal immersed in a solution of its ions 1 The potential between two metals immersed completely in the same elec- trolyte The potential of a metal with respect to another metal, which is at a higher at any concentration, with the hydrogen half cell comparing the electrode potential metal with any standard electrode, such as Ag-AgCl or Calomel electrode | None of the above a concentration The double layer is formed as a result of [ attractive forces between negative charged metal surface and positive ions only repulsive forces between like positive ions only ( both attractive and repulsive forces between ions None of the above

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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MULTIPLE CHOICE QUESTIONS The electrode potential of a metal is: The most acceptable method of obtaining standard electrode potential is by 1 The potential which exists at the inter- face between the metal and the elec- 1 comparing the electrode potentials of a metal half cell with a hydrogen half cell trolyte | The potential between the anodic and cathodic areas of the metal comparing the electrode potential of a metal immersed in a solution of its ions T The potential between two metals immersed completely in the same elec- trolyte The potential of a metal with respect to another metal, which is at a higher at any concentration, with the hydrogen half cell comparing the electrode potential of a metal with any standard electrode, such as Ag-AgCl or Calomel electrode 1 None of the above concentration The double layer is formed as a result of [ 1 attractive forces between negative charged metal surface and positive ions only repulsive forces between like positive ions only ( both attractive and repulsive forces between ions None of the above
Transcribed Image Text:MULTIPLE CHOICE QUESTIONS The electrode potential of a metal is: The most acceptable method of obtaining standard electrode potential is by 1 The potential which exists at the inter- face between the metal and the elec- 1 comparing the electrode potentials of a metal half cell with a hydrogen half cell trolyte | The potential between the anodic and cathodic areas of the metal comparing the electrode potential of a metal immersed in a solution of its ions T The potential between two metals immersed completely in the same elec- trolyte The potential of a metal with respect to another metal, which is at a higher at any concentration, with the hydrogen half cell comparing the electrode potential of a metal with any standard electrode, such as Ag-AgCl or Calomel electrode 1 None of the above concentration The double layer is formed as a result of [ 1 attractive forces between negative charged metal surface and positive ions only repulsive forces between like positive ions only ( both attractive and repulsive forces between ions None of the above
MULTIPLE CHOICE QUESTIONS 1. Which one of the following reactions is a reversible reaction? 1| M-M++ II H;- 2H* +2e 1 | M-M+ +3e 2H* +2e=H? 7. One corroding metal (M) is connected to another corroding metal (N) in an acid elec- trolyte. Metal M has a relatively more noble potential EMM and iorr(M) while metal N has a less noble potential Ex and corrodes at a rate of ionr(N). 1 The corrosion rate of metal M is decreased whereas the corrosion rate of metal N is increased 2. When a current flows as a result of impressing a voltage in the noble direction, the impressed I | The corrosion rate of metal M is increased whereas the corrosion rate of metal N is decreased current is I I net anodic U net cathodic U mixed current 1 The corrosion rate of the couple M-N is less than the corrosion rate of metal M and N individually 1 | The corrosion rate of metal N is higher than the corrosion rate of the couple 8. Consider the corrosion behavior of zinc (I cm?) coupled to platinum (1 cm) and platinum (10 cm') in an acid electrolyte. ) Zinc coupled to platinum (10cm²) will show the highest rate of corrosion 1 Zinc coupled to platinum (1 cm) will show the highest rate of corrosion
Transcribed Image Text:MULTIPLE CHOICE QUESTIONS 1. Which one of the following reactions is a reversible reaction? 1| M-M++ II H;- 2H* +2e 1 | M-M+ +3e 2H* +2e=H? 7. One corroding metal (M) is connected to another corroding metal (N) in an acid elec- trolyte. Metal M has a relatively more noble potential EMM and iorr(M) while metal N has a less noble potential Ex and corrodes at a rate of ionr(N). 1 The corrosion rate of metal M is decreased whereas the corrosion rate of metal N is increased 2. When a current flows as a result of impressing a voltage in the noble direction, the impressed I | The corrosion rate of metal M is increased whereas the corrosion rate of metal N is decreased current is I I net anodic U net cathodic U mixed current 1 The corrosion rate of the couple M-N is less than the corrosion rate of metal M and N individually 1 | The corrosion rate of metal N is higher than the corrosion rate of the couple 8. Consider the corrosion behavior of zinc (I cm?) coupled to platinum (1 cm) and platinum (10 cm') in an acid electrolyte. ) Zinc coupled to platinum (10cm²) will show the highest rate of corrosion 1 Zinc coupled to platinum (1 cm) will show the highest rate of corrosion
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