Learning objective
Combine half equations into overall redox equations.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
0
Questions
Topic
Oxidation, reduction and redox equations
Subtopic
Redox equations
Study support
Understand this objective
Quick explanation
Combine half equations into overall redox equations
- This point belongs to Oxidation, reduction and redox equations, especially Redox equations.
- You need to be able to combine half equations into overall redox equations.
- The key ideas to know are half equation and redox equation.
- 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 Redox equations to exam-style questions, flashcards, and revision notes for Oxidation, reduction and redox equations.
Quick student answer
Which of the following represents a reduction process?
Direct answer
A) Fe^3+ + e^- → Fe^2+ is a reduction process as it involves the gain of an electron.
Key terms
- Oxidation: The process of losing electrons or increasing oxidation state.
- Reduction: The process of gaining electrons or decreasing oxidation state.
Common trap
Confusing oxidation with reduction: Remember: Oxidation is loss (OIL) and Reduction is gain (RIG) of electrons.
Related questions
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Question 1 of 3
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Flashcard prompts
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Flashcard 1 of 3
Revision tools
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Flashcards0 linked cards
Practice Questions0 linked questions
Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Define oxidation as an increase in oxidation state.
Oxidation states
- Define reduction as a decrease in oxidation state.
Oxidation states
- Assign oxidation states using standard rules.
Oxidation states
- Identify oxidising and reducing agents from oxidation-state changes.
Oxidation states
- Write half equations for oxidation and reduction processes.
Redox equations