Identify each of the following species as either a Lewis acid or a Lewis base, and write

Question:

Identify each of the following species as either a Lewis acid or a Lewis base, and write an equation illustrating a Lewis acid-base reaction for each one. Use curved arrows to depict electron-pair movement. Be sure that the product of each reaction is depicted by a complete, correct Lewis structure.
(a) CN-
(b) CH3OH
(c) (CH3)2CH+
(d) MgBr2
(e) CH3BH2
(f) CH3S-