Explain how the percentages just given show that the methyl group exerts an ortho–para directive effect...

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Chemistry

Explain how the percentages just given show that the methylgroup exerts an ortho–para directive effect by considering thepercentages that would be obtained if the methyl group had noeffect on the orientation of the incoming electrophile.

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Although there are five hydrogens available to be replaced onthe benzene ring of toluene two of those are directly adjacentortho to the methyl group Attack at either of thesepositions gives the same product Similar considerations apply tothe meta position The result is that only three productsare obtained The actual distribution of these products shows thatvery little of the meta product is obtained Instead almost all ofthe    See Answer
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