MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryp-Block (group 13 and 14)Previous Year Questions
The main reason that SiCl4 is easily hydrolyzed as compared to CCl4 is that (Kerala CEE 2009)
A.Si—Si bond is weaker.
B.SiCl4 can form hydrogen bonds.
C.SiCl4 is covalent.
D.Si can extend its coordination number beyond four.✓ Correct
Explanation
It is easily hydrolysed as compared to because in case of vacant d-orbitals are present, so Si can expand its valency but carbon does not have a vacant d-orbitals. Carbon can’t expand its valency. Hence, the correct option is (d).
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