p-Block elementsHard

Question

Which of the following reactions are is correct ?

Options

A.CF4 + 2F- → [CF6]2-
B.SiF4 + 2F- → [SiF6]2-
C.GeCl4 + 2Cl- → [GeCl6]2-
D.SnCl4 + 2Cl- → [SnCl6]2-

Solution

Carbon does not expand its covalence beyond four as it does not contain d-orbitals.

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