Why does `BF_3' act as a lewis acid?

Why does BF_3 behave as a Lewis acid?

Which of the following is untrue regarding BF_3 ? It is a Lewis acid , It is a planar molecule, It has a dipole moment, It forms a compound with NH_3

BCl_3 is a good Lewis acid. Why?

Diborane is an important hydride of Boron a. During a class room discussion, a student argues that there is a covalent bond between boron atoms in diborane. What is your opinion. Give justification. b. Boron halides can act as Lewis acids. Give reason. c. Arrange the following Lewis acids in the increasing order of acidic strength. Substantiate your answer? 'BF_3 BCl_3, BBr_3'

Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/ base: (a) 'OH'- (b) F'- (c) 'H^+(d) BCl_3' ?

Boron halides can act as Lewis acids. Give reason.

Borax, orthoboric acid and diborane are some useful compounds of boron Boric acid Is not a protonic acid but acts as a Lewis acid. Justify.

Why does ozone act as a powerful oxidising agent?