Question

Separate the following compounds into three categories - ionic, polar and covalent compounds; N₂, NH₄Cl, NH₃, NO, NH₄NO₃, NCl₃.

Answer 1

Ionic compounds = NO, NH₄Cl,  NH₄NO3
Covalent compounds = N₂, NH₃, NO
Polar compounds = NCl₃

Concept Insight:  Electro negativity difference between the bonded atoms determines the ease of transfer of electrons between the atoms. On the basis of extent of transfer of electrons between the two atoms the bond will be ionic, covalent or polar.