Learning objective
Required practical 10: prepare an organic solid and test its purity.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
A-level practical endorsement and required practical activities
Subtopic
A-level required practical activities
Study support
Understand this objective
Quick explanation
Required practical 10: prepare an organic solid and test its purity
- This point belongs to A-level practical endorsement and required practical activities, especially A-level required practical activities.
- You need to be able to required practical 10: prepare an organic solid and test its purity.
- The key ideas to know are required practical.
- 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 A-level required practical activities to exam-style questions, flashcards, and revision notes for A-level practical endorsement and required practical activities.
Quick student answer
Which of the following methods is most suitable for purifying an organic solid?
Direct answer
C) Recrystallization
Key terms
- Purity: The extent to which a substance is free from impurities, often assessed by melting point or boiling point.
- Crystallization: A separation technique that results in the formation of solid crystals from a homogeneous solution.
Common trap
Incorrect calculation of percentage yield: Always ensure to use the correct values for actual and theoretical yields in the percentage yield formula.
Related questions
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Flashcard prompts
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Revision tools
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Explain that the A-level practical endorsement is assessed separately from written exam grades.
A-level practical endorsement
- Demonstrate competence in apparatus and techniques across the A-level course.
A-level practical endorsement
- Apply risk management and safe working in practical contexts.
A-level practical endorsement
- Evaluate practical procedures using uncertainty, error, accuracy and precision.
A-level practical endorsement
- Required practical 1: make up a volumetric solution and carry out a simple acid-base titration.
A-level required practical activities