Answer to Question #140791 in Inorganic Chemistry for Sarita bartwal

Question #140791
a) A gaseous molecule is exposed to electromagnetic radiation which changes its vibrational energy. Would any other type of energy also changes with it. If yes, name it.
b) Why di group frequencies of various functional groups not change much from molecule to molecule?
1
Expert's answer
2020-10-28T08:41:56-0400

a) increases the average thermal energy and, hence, raises the temperature

b)Group frequencies are vibrations that are associated with certain functional groups. Group frequencies of various functional groups do not change much from molecule to molecule since different functional group absorbs different particular frequency of IR radiation. Also, each molecule has a characteristic spectrum often referred to as the fingerprint. A molecule can be identified by comparing its absorption peak to a data bank of spectra


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