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Some Basic Concepts of Organic Chemistry question

2013 · Q114
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Some Basic Concepts of Organic Chemistry question

2013 · Q114

NEETChemistrySome Basic Concepts of Organic ChemistryMCQ+4 / −1
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating ?
  1. A
    −-−COOH
  2. B
    −-− NO2
  3. C
    −-− C ≡\equiv≡ N
  4. D
    −-− SO3H
View written solutionFree

Correct answer: B

−-− NO2 is most deactivating due to -I ans -M effect.

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