Question

explain silicon forms sif6 negative ions whereas corresponding fluoro compounds of carbon is not known?​

Answer 1

Answer:

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Answer 2

Answer:

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Silicon has 3d-orbitals in the valence shell and thus expands its octet giving sp3d2 hybridisation while d-orbitals are not present in the valence shell of carbon. It can undergo ip3-hybridisation only. Thus carbon is unable to form CF62- anion.

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