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Question: Answered & Verified by Expert
Acidity of $\mathrm{BF}_3$ can be explained on the basis of which of the following concepts?
ChemistryEquilibrium
Options:
  • A
    Arrhenius concept
  • B
    Bronsted Lowry concept
  • C
    Lewis concept
  • D
    Bronsted Lowry as well as Lewis concept
Solution:
1600 Upvotes Verified Answer
The correct answer is:
Lewis concept
According to GN Lewis, an acid is a species which accepts an electron pair and base which donates an electron pair. Since $\mathrm{BF}_3$ is an electron deficient species, hence, it is a Lewis acid.

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