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Benzene
Beginning of essay
, C(6)H(6), is a clear, colorless, flammable liquid that is insoluble in water.Its boiling point is 80 degrees C (176 degrees F). In the past was obtained from
the distillation of coal in the absence of air. Today most is made syntheticallyfrom petroleum products.
The is a closed ring of six a ....
Middle of essay
....ed in 1899 that the bonds between carbon atoms exhibit resonance. That is,each bond oscillates between being a double and a single bond (see aromatic compounds).
In modern chemistry, benzene is generally considered to have six identical carbon-carbonbonds, each lying somewhere between a single and a double bond. This has been verifiedby studies showing that the carbon-carbon bond distance in benzene is 0.139 nanometers,which lies between the single carbon-carbon bond distance of 0.154 nanometer.... |
| Number of words: 500 |
Approximate pages: 2 |
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