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## How much energy will be required to promote one electron from HOMO to LUMO in a linear hexatriene system? ### Atomic Orbital The atomic orbital may be defined as a 3-D space around the nucleus within which the probability of electron of given energy is maximum. ### Wave mechanical model for H-...

## How much energy will be required to promote one electron from HOMO to LUMO in a linear hexatriene system? ### Atomic Orbital The atomic orbital may be defined as a 3-D space around the nucleus within which the probability of electron of given energy is maximum. ### Wave mechanical model for H-atom * Nuclear charge → Z * e = 1 * e * Reduced mass → μ = me * mn / me + mn * When m * e