Like other chlorosilanes, silicon tetrachloride reacts readily with water:SiCl4 + 2 H2O → SiO2 + 4 HClIn contrast, carbon tetrachloride does not hydrolyze readily. The differing rates of hydrolysis are attributed to the greater atomic radius of the silicon atom, which allows attack at silicon, and due to the weaker nature of ths Si-Cl bonds .[citation needed] The reaction can be noticed on exposure of the liquid to air, the vapour produces fumes as it reacts with moisture to give a cloud-like aerosol of hydrochloric acid.[3] With methanol and ethanol it reacts to give tetramethyl orthosilicate and tetraethyl orthosilicate:SiCl4 + 4 ROH → Si(OR)4 + 4 HCl