We have :

Cl
|
1) :B-Cl with two unshared electrons
|
Cl

F
|
2) :N-F
|
F

then , if we assume that N and B bind covalently , which of them is acid ? And is that also bronshted- lowry acid ? explain

thanks

How are we going to do that? Then we have B::N and there are too many electrons around the central atom.