Aromatic Hydrocarbons - 9


Chemistry Class 12
1.    The C-C bond length in benzene is intermediate between those in alkanes and alkenes.


2. Benzene can be prepared by passing vapours of n-haxane over a mixture of catalysts Pt & AICl3 at 150oC.


3.    Alkaylation and acylation of benzene are called Wurtz reaction.


4. Benzene can be oxidized easily by K2Cr2O7 at room temperature.


5.    Benzene reacts with Ozone and gives glyoxal through benzene triozonide.


6.    The group present in the mono-substituted benzene ring has directive effect and determines the orientation for the new incoming groups.


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