A conjugated system consists of overlapping p-orbitals that allow a delocalization of electrons across all the adjacent aligned p-orbitals.
The image below shows a visualization of how the p-orbitals of benzene overlap and form a system of electrons.
Azo dyes are organic dyes that are used for many applications, such as the coloring of fabrics. Many azo dyes are derivatives of the organic substance azobenzene, C12 H10 N2. A closely related substance is hydrazobenzene, C12 H12 N2. The Lewis structures of these two substances are showin in the diagram. (Recall the shorthand notation used for organic molecules.)
Azobenzene is said to have greater delocalization of its electrons than hydrazobenzene. Discuss this statement in light of your answers to A, B, C and D.
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