Question

which is not a nucleophilic? 1.CN-, 2. NH3, 3.BF3, 4.H2O

Answer 1

H+, H3O+, Cl+, CH3+, NO2+ (Positively charged)

AlCl3, BF3, SO3 (Neutral)

Both Al and B act as electrophiles as they have total of six electrons i.e. two less than the octet, and so they try to complete their octets. These are also called as Lewis acids.

Answer 2

Answer:

BF3

Explanation:

HERE BF3 has only 6e out of 8 e remaining all have completely 8e