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What does the p mean in p-toluenesulfonic acid?
I am studying organic chemistry and my professor never mentioned what the p means.
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- Mike ALv 71 decade agoFavorite Answer
It means "para". The three isomers are named o or ortho where the methyl and the sulphonate groups are on adjacent carbons, m or meta where there is one unsubstituted carbon between them and para where there are two unsubstituted carbons between them.
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