Heating Under Reflux | Resource - RSC Education

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The interactive lab primer - heating under reflux

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The term ‘reflux’ describes an arrangement in which a reaction is carried out in a boiling solvent with the vapour being condensed and returned to the reaction vessel. Refluxing is carried out when reactions need to be heated to give a reasonable yield of product in a reasonable time.

Downloads

• Heating under reflux video (download)

  Video | Video, Size 6.48 mb

• Heating under reflux apparatus guide

  Simulation | Flash, Size 0.12 mb

• Heating under reflux animation

  Simulation | Flash, Size 11.32 kb

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Additional information

The attached Flash files can be downloaded and opened in Internet Explorer.

The Interactive lab primer has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme titled ‘Chemistry for our Future’ in partnership with the University of Southampton, The University of Nottingham, University of Birmingham and The University of Sheffield

© Royal Society of Chemistry

This resource is part of the interactive lab primer collection.

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Level

• 16-18 years
• 18+

Use

• Video
• Interactive
• Download

Category

• Practical skills and safety

Specification

• Northern Ireland
  • A/AS level
    • CCEA Chemistry
      • How science works
        • Using apparatus and techniques
          • use apparatus to carry out reflux and adapt the apparatus for distillation, setting up the equipment using a variety of glassware, including Quickfit®, retort stands and clamps;
• Republic of Ireland
  • Leaving Certificate
    • Chemistry
      • 7. Organic chemistry
        • 7.3 Organic Chemical Reaction Types
          • Activities
            • Mandatory experiment 7.2: Preparation of soap. (Structures if reactants and products required.)
• England
  • A/AS level
    • AQA Chemistry
      • Practical assessment
        • 8.1 Use of apparatus and techniques
          • AT d: Use laboratory apparatus for a variety of experimental techniques including: titration, using burette and pipette, distillation and heating under reflux, including setting up glassware using retort stand and clamps, qualitative tests for ions and…
    • Edexcel Chemistry
      • Topic 6: Organic Chemistry I
        • Topic 6E: Alcohols
          • 39 i. understand the following techniques used in the preparation and purification of a liquid organic compound: heating under reflux
      • Topic 18: Organic Chemistry III
        • Topic 18C: Organic synthesis
          • 22 i. understand the following techniques used in the preparation and purification of organic compounds: refluxing
    • OCR Chemistry A
      • Module 4: Core organic chemistry
        • 4.2 Alcohols, haloalkanes and analysis
          • 4.2.3 Organic synthesis
            • ai) the techniques and procedures for: use of Quickfit apparatus including for distillation and heating under reflux
      • Module 6: Organic chemistry and analysis
        • 6.2 Nitrogen compounds, polymers and synthesis
          • 6.2.5 Organic synthesis
            • a) the techniques and procedures used for the preparation and purification of organic solids involving use of a range of techniques including: i) organic preparation: use of Quickfit apparatus; distillation and heating under reflux
• Scotland
  • Advanced Higher
    • SQA Chemistry
      • Researching Chemistry
        • Practical skills and techniques
          • Heating under reflux
            • Candidates should be familiar with heating under reflux experimental procedures.
            • Heating under reflux is a technique used to apply heat energy to a chemical reaction mixture over an extended period of time.
• Wales
  • A/AS level
    • WJEC Chemistry
      • Unit 4: ORGANIC CHEMISTRY AND ANALYSIS
        • 4.8 Organic synthesis and analysis
          • (b) principles underlying the techniques of manipulation, separation and purification used in organic chemistry
          • PRACTICAL: Synthesis of a liquid organic product, including separation using a separating funnel
          • PRACTICAL: Synthesis of a solid organic product, including recrystallisation and determination of melting temperature

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