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AP EAMCET202125 Aug 2021Evening ShiftChemistryGeneral Organic ChemistryActual

Which of the following is not an electrophile?

Options

  1. ACN ⁻
  2. BBF ₃
  3. CNO ₂⁺
  4. DAlCl ₃

Correct answer

A. CN ⁻

Step-by-step solution

Electrophile is a species that forms bonds with nucleophiles by accepting an electron pair, because electrophiles accept electrons, they are Lewis acids. CN ⁻ is nucleophile, which is electron rich in nature and electrophile is electron deficient in nature and contain positive charge. BF ₃= Neutral electrophile or Lewis acid (electron deficient) NO ₂⁺= Electrophile AlCl ₃= Electrophile (electron deficient) Hence, only CN ⁻ is not an electrophile.

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