Answer to Question #315117 in Organic Chemistry for nammm

Question

Which of the following species is the least nucleophilic? Justify

(A) (CH3)3CO- (B) H2O (C) (CH3)3N (D) BF3 (E)CN?

Answer 1

Nucleophiles are the species which love nucleus or positive charge and has extra pairs of electron to donate and here BF₃ has only six electron so it require pair of electron and electron loving species and thus act as electrophile so, it is least nucleophile.