Learning objective
Define standard electrode potential.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Topic
Electrode potentials and electrochemical cells (A-level only)
Subtopic
Standard electrode potentials (A-level only)
Study support
Understand this objective
Quick explanation
Define standard electrode potential
- This point belongs to Electrode potentials and electrochemical cells (A-level only), especially Standard electrode potentials (A-level only).
- You need to be able to define standard electrode potential.
- The key ideas to know are electrode potential.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Standard electrode potentials (A-level only) to exam-style questions, flashcards, and revision notes for Electrode potentials and electrochemical cells (A-level only).
Quick student answer
What is the standard electrode potential (E°) of a half-cell?
Direct answer
The standard electrode potential (E°) of a half-cell is the voltage measured under standard conditions when the half-cell is connected to a standard hydrogen electrode.
Key terms
- Standard Electrode Potential (E°): The voltage measured under standard conditions when a half-cell is connected to a standard hydrogen electrode.
- Galvanic Cell: An electrochemical cell that derives electrical energy from spontaneous redox reactions occurring within the cell.
Common trap
Confusing oxidation and reduction: Remember that oxidation is the loss of electrons and reduction is the gain of electrons. Use the standard electrode potentials to identify the anode and cathode.
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Revision tools
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe the standard hydrogen electrode.
Standard electrode potentials (A-level only)
- Calculate cell potentials from standard electrode potentials.
Standard electrode potentials (A-level only)
- Set up and interpret electrochemical cell diagrams.
Standard electrode potentials (A-level only)
- Required practical: measure the EMF of an electrochemical cell.
Standard electrode potentials (A-level only)
- Predict the feasibility of redox reactions using electrode potentials.
Feasibility and applications of cells (A-level only)