MCQ
Which does not form complex
- ✓$N$
- B$P$
- C$As$
- D$Bi$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

According the Werner's theory.
$(1)$ Ligands are connected to the metal ions by covalent bonds.
$(2)$ Secondary valencies have directional properties
$(3)$ Secondary valencies are non-ionisable
Of these statements :
Given :
Molar mass $N =14\,g\,mol ^{-1} ; O =16\,g\,mol ^{-1} ; C =12\,g\,mol ^{-1} ; H =1\,g\,mol ^{-1}$;