Do you expect carbohydrides of the type `[C_nH_(2n+2)]` to act as Lewis acid or base? Why?

What are electron deficient hydrides? Whether they behave as Lewis acids or Lewis bases? Why?

Why does BF_3' act as a lewis acid?

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' ?

In presence of moisture, 'C l2' acts as a powerful oxidising agent. Why?

N2 is inert. 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'

In the reaction between NH_3 and BF_3 ammonia acts as………… (Lewis base, Lewis acid, brownsted base)

Account for the following: NH_3 acts-as a Lewis base.