The molecule SiFClBrI is chiral because: A) it is has both tetrahedral geometry and tetrahedral symmetry but four different substituents on Si. B) it has tetrahedral geometry, but not tetrahedral symmetry and hence has no S_n axis. C) It has tetrahedral symmetry but not tetrahedral geometry and hence lacks the centre of inversion.

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The molecule SiFClBrI is chiral because it has tetrahedral geometry with four different substituents attached to the central silicon atom, breaking tetrahedral symmetry. This lack of symmetry means it does not have a superimposable mirror image, making it chiral.

The Molecule SiFClBrI Is Chiral Because