(a) Give IUPAC names for the following compounds: CH3 CH3CH2CHCHCH3 (b) (a) The three isomers of C5H12 CH3 (d) CH3 CH3 (CH3)2CHCH2CHCH3 (c) (CH3}3CCH2CH2CH ČH3

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.