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प्रश्न
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
विकल्प
– COOH
– NO2
-C ≡ N
-SO3H
उत्तर
– NO2
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संबंधित प्रश्न
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]
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