we say that N(nitrogen) has max valency of +3 it can't form NX5 (here X is any halide) bcz it does not have d orbital to jump electron why not electron jump into 3s orbital and form NX5.
we say that N(nitrogen) has max valency of +3 it can't form NX5 (here X is any halide) bcz it does not have d orbital to jump electron why not electron jump into 3s orbital and form NX5.