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benzene
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benzene

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The molecule of benzene consists of six carbon atoms arranged in a ring, with six hydrogen atoms attached. The benzene ring structure is found in many naturally occurring organic compounds.

Clear liquid hydrocarbon of characteristic odour, occurring in coal tar. It is used as a solvent and in the synthesis of many chemicals.

The benzene molecule consists of a ring of six carbon atoms, all of which are in a single plane, and it is one of the simplest cyclic compounds. Benzene is the simplest of a class of compounds collectively known as aromatic compounds. Some are considered carcinogenic (cancer-inducing).



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? Mentioned in ? References in periodicals archive
 
DDT is a mixture of three forms of the chemical, one of which has enantiomers--not due to the presence of an asymmetric carbon but the relative position of the chlorine atoms on each of the molecule's two benzene rings.
As a conceptual aid, we depicted these substitution patterns using a "square" (2,3,4,6-tetrachloro) and a "triangle" (2,4,5-trichloro) benzene ring (Figure 3).
Although the benzene ring was maintained as a rigid body, the three isopropyl groups and the sulfonamide group were allowed to rotate freely and independently within the molecule as shown in Scheme 1.
 
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