1.

Carbon dioxide is a gas but silica is a solid because:A. `CO_(2)` molecules are lighter than `SiO_(2)` moleculesB. carbon dioxide is composed of descreate covalent `CO_(2)` molecules whereas silica has continuous tetrahedral structureC. `CO_(2)` is more acidic than `SiO_(2)`D. melting point of silica is very high

Answer» Correct Answer - B


Discussion

No Comment Found

Related InterviewSolutions