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Q.
The main reason that $SiCl_{4}$ is easily hydrolysed as compared to $CCl_{4}$ is that
NTA AbhyasNTA Abhyas 2020The p-Block Elements - Part2
Solution:
Silicon has got vacant 'd' oribtals but carbon does not have that moreover Silicon, also has larger size than carbon so silicon can have extended valency rather extended coordination number 6 also.