Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a positive standard electrode potential indicate?
💡 Hint: Think about what it means for a substance to gain electrons.
Question 2
Easy
What is the potential of the Standard Hydrogen Electrode (SHE)?
💡 Hint: Remember that SHE is our reference point.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of the Standard Hydrogen Electrode?
- To measure E°
- To provide a reference point
- To determine reaction kinetics
💡 Hint: Think about its role in electrochemical measurements.
Question 2
If an electrode has a standard potential of -0.45 V, what does this indicate?
- True
- False
💡 Hint: Consider the implications of positive versus negative potentials.
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Challenge Problems
Push your limits with challenges.
Question 1
Consider two reactions: A⁺/A with E° = +0.50 V and B⁺/B with E° = -0.80 V. Calculate the E°_cell if A is reduced and B is oxidized.
💡 Hint: Identify which species acts as anode and cathode before making the calculation.
Question 2
A certain half-cell has an E° of +0.20 V. If the other half-cell connected is the SHE, determine the potential for the full cell and indicate its spontaneity.
💡 Hint: Consider the reference value of SHE in your calculation.
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