Mixed spectra long answer exam question practice
This is a set of more difficult long answer exam questions that require you to use data from mass spectra,
Continue readingMixed spectra long answer exam question practice
The ultimate A level chemistry resource
This is a set of more difficult long answer exam questions that require you to use data from mass spectra,
Continue readingMixed spectra long answer exam question practice
The energy of molecules is quantised just as it is in atoms. When a molecule absorbs a photon of electromagnetic
Continue readingHow does electromagnetic radiation affect molecules?
Your may have noticed on the data sheet that the wavenumber for the absorption of C=O bonds very much depends
Continue readingExplaining C=O absorption bands in IR spectroscopy
An IR spectrum plots of the percentage of radiation that passes through a sample (transmittance) vs. the wavenumber of the
Infrared spectroscopy is a really useful analytical technique for determining whether there are key bonds in a molecule (C=O, O-H,
13C NMR signals are considerably weaker than 1H NMR signals because the natural abundance of 13C is 1.1%. We also
Continue readingEverything you need to know about C-13 NMR spectroscopy
In proton or 1H NMR spectroscopy the sample is dissolved in a solvent such as tetrachloromethane, CCl4, or trichlorodeuteriomethane, CDCl3
Continue readingEverything you need to know about proton (H-1) NMR Spectroscopy