Substitution Reaction - Substituted Compounds

Substituted compounds are chemical compounds where one or more hydrogen atoms of a core structure have been replaced with a functional group like alkyl, hydroxy, or halogen.

For example benzene is a simple aromatic ring and substituted benzenes are a heterogeneous group of chemicals with a wide spectrum of uses and properties:

compound general formula general structure
Benzene C6H6
Toluene C6H5-CH3
o-Xylene C6H4(-CH3)2
Mesitylene C6H3(-CH3)3
Phenol C6H5-OH
Just a few substituted benzene compounds

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