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NEETChemistryHydrocarbons

Which of the following groups is NOT an activating group in electrophilic aromatic substitution?

Options

  1. AHydroxyl (-OH) group
  2. BAlkyl (-CH 3 ) group
  3. CCyano (-CN) group
  4. DAmino (-NH 2 ) group

Correct answer

C. Cyano (-CN) group

Step-by-step solution

Cyano (-CN) groups are deactivating groups in electrophilic aromatic substitution reactions due to their -M and -I effects, unlike the other groups listed.

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