Here is the link to view the Student Learning Objectives for this lesson.

The following papers and publications will provide you with additional information and relevant content for this topic.

RHW Introduction to Textile Chemistry – Colour in Organic Molecules

1984 Review of Progress in Coloration – Griffiths – Historical Development of Colour and Constitution Theory

The following related documents give further explanation of conjugated systems and clearly describes the formation of pi bonds and the subsequent description of Highest Occupied (bonding) Molecular Orbits (HOMO) and Lowest Unoccupied (antibonding) Molecular Orbits (LOMO) and their effect on the both wavelength absorbed and subsequent colour seen provides the basis for this lesson. Molecules and Colour and Colour in Organic Molecules.