Carbonyl compounds are hat contain the C=O functional group. In aldehydes, this group is at the end of a carbon chain, whereas in ketones it's in the middle of the chain by Using ir spectroscopy
Spectroscopy is study of the absorption and the emission of the light and the other radiation by the matter. It involves the splitting of the light (or more precisely the electromagnetic radiation) into its constituent wavelengths (a spectrum), which is only done in much the same way as a the prism splits light into the rainbow of colours.
The Spectroscopy is used as tool for studying the structures of the atoms and the molecules. The large number of the wavelengths emitted by these systems makes it more possible to investigate their structures in the detail, including the electron configurations of the ground and the various excited states.
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