Chapter 3, Problem 3PP

PRACTICE PROBLEM 3.3

Which of the following are potential Lewis acids and which are potential Lewis bases?

(c) ${\left({\text{C}}_6{\text{H}}_5\right)}_3\text{P:}$

(d) ${\left({\text{CH}}_3\right)}_3\text{B}$

(e) $\text{:}\stackrel{··}{\underset{··}{\text{Br}}}{\text{:}}^{-}$

(f) ${\text{H:}}^{-}$