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SF(6) is known but SCl(6) is not. Why?...

`SF_(6)` is known but `SCl_(6)` is not. Why?

Text Solution

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Fluorine atom is smaller in size so six `F^(-)` ions can surround a sulphur atom. The case is not so with chlorine atom due to its large size. So, `SF_(6)` is known but `SCl_(6)` is not known due to interionic repulsion between larger `Cl^(-)` ions.
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