Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In this type of questions, a statement of assertion 
is followed by a statement of reason
. Mark the correct choice as :
Assertion : 
is known but 
is not.
Reason : Size of fluorine is small and its lone pair of electrons interacts with 
-orbitals of Si strongly.
Text Solution
Verified by ExpertsThe correct answer is:
A
Size of fluorine is small, therefore can be easily arranged around silicon to form 
while the size of chlorine is large enough which create steric hindrance to each other therefore cannot be arranged around silicon in excess.
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