IB Chemistry Topic 113 Spectroscopic identification of organic compounds

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IB Chemistry Topic 11.3 Spectroscopic identification of organic compounds • How to read graphs from HNMR, mass, and IR spectroscopy and determine IHD. • Full set of resources for topic 11/21: • http://www.mrwengibchemistry.com • 0:26 Instrument overview and use of EMS • 0:44 EMS formulas • 1:14 Infrared IR spectroscopy • 5:16 Proton nuclear magnetic resonance H1 NMR spectroscopy • 10:11 Index of hydrogen deficiency IHD • 13:29 Mass spectrometry MS • 11.3 Spectroscopic identification of organic compounds • The degree of unsaturation or index of hydrogen deficiency (IHD) can be used to determine from a molecular formula the number of rings or multiple bonds in a molecule. • Mass spectrometry (MS), proton nuclear magnetic resonance spectroscopy (1H NMR) and infrared spectroscopy (IR) are techniques that can be used to help identify compounds and to determine their structure. • Determination of the IHD from a molecular formula. • Deduction of information about the structural features of a compound from percentage composition data, MS, 1H NMR or IR. • Connect with me: • Facebook: / ibchemistry2016

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