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Questions and Answers
Which method is used to measure the potential of an electrochemical cell under static conditions?
Which method is used to measure the potential of an electrochemical cell under static conditions?
- Electrolysis
- Voltammetry
- Amperometry
- Potentiometry (correct)
What happens to the composition of an electrochemical cell during potentiometry?
What happens to the composition of an electrochemical cell during potentiometry?
- It becomes more reactive
- It remains unchanged (correct)
- It changes significantly
- It becomes less reactive
In very dilute solutions, each ion behaves independently of all other ions present. This behavior is known as:
In very dilute solutions, each ion behaves independently of all other ions present. This behavior is known as:
- Solvation
- Ideal behavior
- Complete solvation
- Infinite dilution (correct)
What affects both the reactivity and the size of the potentials at the measuring electrode in solutions?
What affects both the reactivity and the size of the potentials at the measuring electrode in solutions?
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At higher concentrations, ions do not behave ideally and solutions behave as if their concentrations were less. This is due to the:
At higher concentrations, ions do not behave ideally and solutions behave as if their concentrations were less. This is due to the:
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Study Notes
Electrochemical Cell Measurement
- The potential of an electrochemical cell under static conditions is measured using potentiometry.
Composition of Electrochemical Cell
- During potentiometry, the composition of the electrochemical cell remains unchanged.
Ion Behavior in Solutions
- In very dilute solutions, each ion behaves independently of all other ions present, exhibiting ideal behavior.
Factors Affecting Reactivity and Potential
- The reactivity and size of the potentials at the measuring electrode in solutions are affected by the ionic strength of the solution.
Non-Ideal Behavior in Concentrated Solutions
- At higher concentrations, ions do not behave ideally and solutions behave as if their concentrations were less due to ionic interactions.
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