How to use in-sentence of “benzene”:
+ This is because the lone pair on the oxygen atom can give electrons through the benzene ring to an electrophile.
+ Its chemical structure is made up of a vinyl group Chemical bondbonded onto a benzene ring.
+ Realizing each carbon has 2p electrons, each carbon donates an electron into the delocalized ring above and below the benzene ring.
+ This leaves one to share with one of its two neighboring carbon atoms, which is why the benzene molecule is drawn with alternating single and double bonds around the hexagon.
+ Emil Erlenmeyer proposes that it is two fused benzene rings in 1866, and Carl Gräbe confirms this three years later.
+ It carcinogeniccauses cancer because of its high benzene content.
+ To indicate the delocalized nature of the bonding, benzene is often depicted with a circle inside a hexagonal arrangement of carbon atoms.

Example sentences of “benzene”:
+ Hydrocarbons can be classified into two categories based on the presence of a benzene ring, a circular type of hydrocarbon.
+ The most simplest of aromatic hydrocarbons are benzene and indole.
+ If benzene had three double bonds, three sides of its ring would be shorter than the other three sides.
+ Hydrocarbons can be classified into two categories based on the presence of a benzene ring, a circular type of hydrocarbon.
+ The most simplest of aromatic hydrocarbons are benzene and indole.
+ If benzene had three double bonds, three sides of its ring would be shorter than the other three sides.
+ Some solvents including chloroform and benzene are carcinogenic.
+ Nowadays, napalm is mostly made of benzene and polystyrene, and is known as napalm-B.
+ They showed that the electrons in benzene are almost certainly localized to particular carbon atoms.
+ He suggested a benzene ring structure.
+ Rates of addition were monitored in benzene at 30 °C with an initial twentyfold excess of diene.
+ Aliphatic hydrocarbons do not contain a benzene ring and aromatic hydrocarbons do.
+ A later variant, napalm-B, also called “super napalm”, is a mixture of low-octane gasoline with benzene and polystyrene.
+ The empirical formula for benzene had been long known, but its highly unsaturated structure was challenging to determine.
+ When both the Arene substitution patternsortho positions on the benzene ring are blocked, a second ortho-Claisen rearrangement will occur.
+ Third, benzene is added in the presence of paraformaldehyde powder and triethylamine.
+ Many aromatic isomers exist because substituents can be positioned on different parts of the benzene ring.
+ They showed the Aromaticityaromatic properties of benzene come from spin coupling rather than electron delocalization.
+ Propene and benzene are converted to acetone and phenol via the cumene process.
