Which one of the following substituents is deactivating and
Which one of the following substituents is deactivating and ortho-para directing in electrophilic aromatic substitution reactions? a. -Cl b. -CO2H c. -N(CH3)2 d. -CH=CH2
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which one of the following substituents is deactivating and ortho-para directing in electrophilic aromatic substitution
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a certain liquid has a vapor pressure of 920 torr at 230 degc and 2040 torr at 450 degc calculate the normal boiling
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