Physics

Problem

An organic molecule requires

4.0\times10^{2}\,\text{kJ mol}^{-1}

to promote an electron from its HOMO to its LUMO. Which wavelength of light is closest to that needed, and in which part of the spectrum would it be found? a)

6.0\times10^{-7}\,\text{m}

; visible region b)

3.0\times10^{-4}\,\text{m}

; infrared region c)

3.0\times10^{-7}\,\text{m}

; ultraviolet region d)

3.0\times10^{-6}\,\text{m}

; infrared region

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