Caron dioxide is gas but silicon oxide is solid.why?

1.	Caron dioxide is gas but silicon oxide is solid.why?
Answer» CO2 exists as a single molecule as it has no d-orbital . It forms p-pi_p-pi bonding DUE to which it has WEAK van der WAAL forces and hence exist as GAS at room temp. SO2 has d-orbital & forms p-pi_d-pi bonding. It exists as bigger 3-D network structures & hence have STRONGER van der waal forces . Therefore exist as solid at room temp.

Discussion