Chemistry Class 12 Chapter 9 - Aromatic Hydrocarbons

The molecular formula of toluene is? Aniline is a derivative of benzene which contains? How many pi electrons are in benzene? In benzene sulphonic acid, the sulphonic group is attached with benzene through? The molecular formula of biphenyl methane is? Which pair of group contains both ortho and para directions? Molecular mass of benzene was considered as 78.108 by method of?


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