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I- is an example of _.

Correct answer: D. Both nucleophile and leaving group

  • A. Electrophile
  • B. Nucleophile
  • C. Leaving group
  • D. Both nucleophile and leaving group

Explanation

A nucleophile is a specie with a negative charge and a specie that belongs to a leaving group is one that can break away from a molecule with a lone pair, breaking the bond between it and the molecule. Hence the answer is D, as I- has a negative charge as well as a lone pair.

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About Alkyl Halides

Alkyl halides are named and related to their carbon-halogen structure, polarity and reactivity. The key reactions are nucleophilic substitution by SN1 and SN2 mechanisms and elimination by E1 and E2 mechanisms, including how substrate structure, nucleophile, base, solvent and temperature influence substitution versus elimination.

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