Grade 12Inorganic Chemistry
extent of hydrolysis amongCCL4 , MgCl2 , AlCl3 , SiCl4 , PCl5
extent of hydrolysis among
CCL4 , MgCl2 , AlCl3 , SiCl4 , PCl5
1 Answer
Aarti Gupta
The correct order of extent of hydrolysis among the above halides will be--
CCl4 < MgCl2 < AlCl3 < SiCl4 < PCl5
This is because in case of covalent halides it is observed that hydrolysis occurs due to the coordination of water molecules to the less electronegative element.However in case of CCl4,carbon cannot expand its octet to accomodate the water molecules so it does not undergo hydrolysis.
CCl4 < MgCl2 < AlCl3 < SiCl4 < PCl5
This is because in case of covalent halides it is observed that hydrolysis occurs due to the coordination of water molecules to the less electronegative element.However in case of CCl4,carbon cannot expand its octet to accomodate the water molecules so it does not undergo hydrolysis.
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