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Assertion: SiF(6)^(2-) is known but SiCl...

Assertion: `SiF_(6)^(2-)` is known but `SiCl_(6)^(2-)` is not.
Reason: Size of fluorine is small and its lone pair of electrons intersects with d-orbitals of `Si` strongly.

A

Both A and R are true and R is the correct explanatoin of A

B

both A and R are true but R is the correct explanation of A

C

A is true but R is false

D

A is false but R is true

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