Unique package of interactive PowerPoint and paper-based activities that can be used for independent home learning, revision or in the classroom. This resource covers AS and A2 mass spectrometry through a 25 slide interactive PowerPoint, which is colourful, animated and presents the information in a flexible way. Each PowerPoint slide contains links to other slides, to enable easy navigation and to emphasise links between different aspects of mass spectrometry.
As well as pages devoted to each of the key terms in mass spectrometry, the PowerPoint shows clearly how fragmentation occurs and how the breakage of a particular bond can result in the fragment of a particular mass. A method for interpreting mass spectra is given, illustrated by several examples with animated spectra and structures to aid understanding of the process.
Also included is a graded worksheet with 7 pages, including problems where an unknown structure is identified. Full answers are provided.
This resource was developed primarily for the OCR A level Chemistry specification but is useful for all specifications. It relates to the following sections :
AS: Module 4 – Core organic chemistry
Part 2 – Alcohols, haloalkanes and analysis
4.2.4 Analytical techniques
A2: Module 6 – Organic chemistry and analysis
Part 3 – Analysis
6.3.2 Spectroscopy (Combined techniques)
Please review!
Content covered
• animated diagram and description of a mass spectrometer
• meaning of m/z
• relative intensity
• base peak
• molecular ion
• M+1 peak
• fragments
• interpreting the mass spectrum
• mass spectrum of ethanol
• animations of formation of fragments from ethanol
• summary of fragments for ethanol
• examples of mass spectra with animated explanation linking peaks to structure
Duration: 1-2 lessons and/or independent study
See also Chemistry of alcohols – AS home learning
https://www.tes.com/teaching-resource/chemistry-of-alcohols-as-self-study-12273938
Infrared spectroscopy – A level home learning
https://www.tes.com/teaching-resource/infrared-ir-spectroscopy-a-level-home-learning-self-study-12315096
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This is a fantastic resource for someone relatively new to teaching A level chemistry!. I did not even have to edit.
Fantastic - brilliantly put together!
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