Statement-I:– ${\mathrm{SiO}}_2\left(\mathrm{Quartz}\right)$  is a molecular solid
Statement-II:– ${\mathrm{CO}}_2\left(\mathrm{S}\right)$  is a molecular solid

Both Statement-I and II are correct

Statement-I is incorrect and Statement-II is correct

Statement-I is correct and Statement-II is incorrect

Both Statement-I and II are incorrect