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Qualitative analysis

Characterising molecules: the identification of an unknown compound

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Analyse MS, IR, C-NMR and H-NMR data to identify the structure of an unknown compound.

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Learning outcomes

  • Identify key information from a compound's empirical formula, including elemental ratio and double bond equivalents.
  • Analyse spectra from mass spectrometry, IR, 1H and 13C-NMR.
  • Identify the structure of an unknown compound using evidence from a wide range of empirical and experimental sources.
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Skills

Interpreting and Analysing Data

  • Identify peaks on a mass spectrum of an unknown compound
  • Identify functional groups from an IR spectrum
  • Interpret and assign hybridisation and splitting patterns of an H-NMR spectrum to an unknown compound
  • Interpret and assign hybridisation of a C-NMR spectrum to an unknown compound

Concepts, Principles and Theories

  • Calculate empirical formula from percent mass
  • Use a combination of analytical techniques to identify an unknown compound

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Prof. Dudley Shallcross, University of Bristol

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Details

Degrees

Chemistry
Foundation science

Modules

Analytical chemistry

Topic

Qualitative analysis

Purchase option

The Smart Worksheet Library

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Chemistry
Foundation science
nmr
characterising molecules
Mass Spectrometry
Analytical chemistry
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