Question

(a)based on the nature of intermolecular forces, classify the following solids : silicon carbide, argon (b) zno turns yellow on heating. why ?

Answer 1

a) Silicon carbide is a covalent solid whereas Argon is a non polar solid.
b) Due to the presence of electrons in the interstitial void.
c) Binary compounds are formed by the combination of grp 12 and 16. Eg. CdS and ZnS