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Question

What happens when BF3 is reacted with ammonia?


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Solution

Lewis acid and base

  • Any species that can take a pair of electrons is called a Lewis acid.
  • Example: BF3 (Boron Trifluoride)
  • Any species that can give a pair of electrons is a Lewis base.
  • Example: Ammonia

BF3 reacts with ammonia

  • BF3 (boron trifluoride) is a Lewis acid.
  • It forms an adduct when it reacts with the Lewis base ammonia NH3.
  • This causes BF3 to have a complete octet of Boron.

Balanced chemical reaction

  • The balanced chemical equation is as follows:

BF3+NH3BF3:NH3


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