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NEET 2013
Exam
NEET
Year
2013
Subject
Chemistry
Chapter
Ionic Equilibrium

NEET 2013 · Chemistry · Ionic Equilibrium

Which of these is least likely to act as a Lewis base?

Which of these is least likely to act as a Lewis base?

Options

  1. ACO\mathrm{CO}
  2. BF−\mathrm{F}^{-}
  3. CBF3\mathrm{BF}_3
  4. DPF3\mathrm{PF}_3

Correct answer

C. BF3\mathrm{BF}_3

Step-by-step solution

Electron rich species are called Lewis base. Among the given, BF3\mathrm{BF}_3 is an electron deficient species, so have a capacity of electron accepting instead of donating that's why it is least likely to act as a Lewis base. It is a Lewis acid.
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