Question

describe different types of electronic transition in a molecule. which type of transition is responsible for a bond at lambda max = 279 nm in absorption spectrum of acetone

Answer 1

Molecular electronic transitions take place when electrons in a molecule are excited from one energy level to a higher energy level. The energy change associated with this transition provides information on the structure of a molecule and determines many molecular properties such as color. The relationship between the energy involved in the electronic transition and the frequency of radiation is given by Planck's relation.