Why CCl4 does not react with water,while SiCl4 do react,as both central atom are surrounded by 4 chlorine atom?
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Reaction of a compound with water is called hydrolysis.During hydrolysis, Si atoms of the chlorides make up of their empty d-orbitals in their valence shells to form coordinates bonds with water molecules. However, C is in period 2 does not have d-orbitals in its valence shell to form coordinate bond with water and is not hydrolysed by water.
extra reading https://www.chemguide.co.uk/inorganic/group4/chlorides.html
Abec
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1I would tend to believe steric effects before $d$ orbitals. – Oscar Lanzi Oct 13 '18 at 11:38