What is wrong with the following statement: The best concentration cell will consist of the substance having the most positive standard reduction potential. What drives a concentration cell to produce a large voltage?

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Interpretation Introduction Interpretation: The statement “The best concentration cell will consist of the substance having the most positive reduction potential” is said to be wrong and the validation of the given statement and the driving force for a concentration cell is to be stated. Concept introduction: The concentration cells consist of the same type of electrode and electrolyte but differing in the ion concentration. So, they depend only on the difference in the concentration of ions in the cathode and anode compartment. To determine: The validation of the given statement: The best concentration cell will consist of the substance having the most positive reduction potential. Explanation The cell potential for the concentration cell is dependent on the concentration of the species that are present in the two different compartments in the cell. The concentration cell consists of the same type of electrode and electrolyte, but differing in concentration. When the electrodes are of the same type, then it is obvious that they will have the same reduction potential value. Therefore the given statement is wrong. The difference in the concentration of ions is the driving force for the working of the concentration cell. The Nernst equation for the concentration cell is represented as, E = ( − 0

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Chemistry: An Atoms First Approach

2nd Edition

Steven S. Zumdahl + 1 other

Publisher: Cengage Learning

ISBN: 9781305079243

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Chemistry: An Atoms First Approach

2nd Edition

Steven S. Zumdahl + 1 other

Publisher: Cengage Learning

ISBN: 9781305079243

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Section

Answer 3

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Answer 4

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Answer 5

Interpretation Introduction

Interpretation:

The statement “The best concentration cell will consist of the substance having the most positive reduction potential” is said to be wrong and the validation of the given statement and the driving force for a concentration cell is to be stated.

Concept introduction:

The concentration cells consist of the same type of electrode and electrolyte but differing in the ion concentration. So, they depend only on the difference in the concentration of ions in the cathode and anode compartment.

To determine: The validation of the given statement: The best concentration cell will consist of the substance having the most positive reduction potential.

Explanation of Solution

The cell potential for the concentration cell is dependent on the concentration of the species that are present in the two different compartments in the cell.

The concentration cell consists of the same type of electrode and electrolyte, but differing in concentration. When the electrodes are of the same type, then it is obvious that they will have the same reduction potential value. Therefore the given statement is wrong.

The difference in the concentration of ions is the driving force for the working of the concentration cell.

The Nernst equation for the concentration cell is represented as,

E=(−0

What is wrong with the following statement: The best concentration cell will consist of the substance having the most positive standard reduction potential. What drives a concentration cell to produce a large voltage?

Chemistry: An Atoms First Approach

Solutions

Chemistry: An Atoms First Approach