General

Which of the following is the best order of Lewis acid strength of BF3, BCl3 and BBr3 ?

By User
On

(a) BF3 > BCl3 > BBr3

(b) BF3 = BCl3 > BBr3

(c)BF3 < BCl3 < BBr3

(d) BBr3 > BF3 > BCl3

(c)

Sol. 2p of Boron will overlap with 2p of F most efficiently. Hence, BF3 is having the least tendency to accept the lone pair from an external source.

Related Posts:

  1. What is the difference between sigma and pi bond?
  2. Is boric acid a protic acid? Explain.
  3. Chemical Properties of Metals – Metals React with Acids
  4. Heredity and Evolution - Sex Determination in Humans
  5. Explain why a Sigma (σ) - bond is stronger than a Pi (pi) - bond?
  6. Common Properties of all Acids and all Bases