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

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

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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 not known due to interionic repulsion larger `Cl^(-)` iosn.
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NCERT EXEMPLAR-P-BLOCK ELEMENTS-P-Block Elements
  1. Give one reason to explain why ClF(3) exists but FCl(3) does not exist...

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  2. Out of H(2)O which one has higher bond angle and why?

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  3. SF(6) is known but SC(6) is not. Why?

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  4. On reaction with Cl(2) phosphorus forms two types of halides 'A' and '...

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  5. In the ring test of NO(3)^(-) ion, Fe^(2+) ion reduces nitrate ion to ...

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  6. Explain why the stability of oxoacids of chlorine increases in the ord...

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  7. Explain why ozone is thermodynamically less stable then oxygen ?

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  8. P(4)O(6) reacts with water according to equation P(4)O(6)to4H(3)PO(3)....

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  9. White phosphorus reacts with chlorine and the product hydrolyses in th...

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  10. Name three oxoacids of nitrogen. Write the disproportionation reaction...

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  11. Nitric acid forms an oxide of nitrogen on reaction with P(4)O(10). Wri...

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  12. (i) White phosphorus (ii) red phosphorus and (iii) black phosphorus. W...

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  13. Given an example to show the effect of concentration of nitric acid on...

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  14. PCl(5) reacts with finely divided silver on heating and a white silver...

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  15. Phosphorus forms a number of oxoacids. Out of these oxoacids, phosphin...

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  16. Match the compounds given in Column I with the hybridisation and shape...

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  17. Match the formulas of oxides given in Column I with the type of oxide ...

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  18. Match the items of Columns I and II and mark the correct option.

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  19. Match the species given in Column I with the shape given in Column II ...

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  20. Match the items of Columns I and II and mark the correct option.

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