Electronic transitions of a color will occur by the absorption of ultraviolet and visible radiation. Though  transitions are attainable, solely the subsequent varieties has to allow. –n →σ* –n → π* and π → π* Electronic Transitions of a color A σ → σ* transition takes place once a bonding σ –electron is happy to associate degree antibondingσ –orbital, i.e.  σ*.  This type of transition needs a …