SiCl4 is easily hydrolysed as compared to CCl4?Why?

Dear student..... C & Si both are group 14 elements. - C atom has small atomic size and thus CCl4 becomes a crowded molecule but Si is a bigger atom and thus SiCl4 is vulnerable for attacks. - Also Si has an extra 3d-orbital which can share electrons from oxygen but C has no such privilege. - Therefore, SiCl4 Regards