Classify the following solids in different categories based on the nature of intermolecular forces operating in them :
Potassium sulphate , tin , benzene , urea , ammonia , water , zinc sulphide , graphite , rubidium , argon , silicon carbide .

Explanation

(a) Urea is a molecular solid. Between molecules of urea van der waal.s forces and hydrogen bonds are present.
(b) Tin is a metallic solid. Metallic bonds are present between atoms of tin.
(c) Zinc sulphide is an ionic solid. Electrostatic attraction forces are present between zinc ion and sulphide.
( d) Silicon carbide is a covalent solid. It has network structure liken in diamond. The atoms are bound by covalent bonds.