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Out of the following how many groups are meta directing on electrophilic substitution of benzene?−COOH, −CN, −NH2 −COCH3, −NHCOCH3, −OH, −CHO, −SO3H, −Cl, −NO2

Answer» Out of the following how many groups are meta directing on electrophilic substitution of benzene?

−COOH, −CN, −NH2 −COCH3, −NHCOCH3, −OH, −CHO, −SO3H, −Cl, −NO2




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