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Explain why : SF(6) is inert and stabl...

Explain why :
`SF_(6)` is inert and stable but `SF_(4)` is reactive.

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(iii) Because six F atoms protect the sulphur atom from attack by any reagent due to steric hindrance but four F atoms in `SF_(4)` cannot offer much steric hindrance, hence reactive.
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Incorrect statement about SF_(4) is

SF_(6) is exceptionally stable due to

Explain why SF_(4) is easily hydrolysed, whereas SF_(6) is resistant to hydrolysis ?

Why is SF_(6) kinetically inert ?

Give reasons for the following observations : Why SF_(4) undergoes hydrolysis but not SF_(6) ? Or SF_(6) is inert towards hydroysis. SF_(6) is much less reactive than SF_(4) . Or (i) SF_(4) is easily hydrolysed whereas SF_(6) is not easily hydrolysed. (ii) Sulpher exhibits greater tendency for calenation than selenium. (iii) Sulpher has a higher tendency for catenation than oxygen.

The structrue of SF_(4) is

The structure of SF_(4) is

CBSE COMPLEMENTARY MATERIAL-P-BLOCK ELEMENTS-SHORT ANSWER-I TYPE QUESTIONS
  1. H(2)S is a stronger acid than H(2)O. Explain

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  2. Account for the following : Two S - O bond lengths in SO(2) are equ...

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  3. Explain why : SF(6) is inert and stable but SF(4) is reactive.

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  4. Why does sulphur have greater tendency for catenation than oxygen ?

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  5. How is O(3) estimated quantitatively ?

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  6. Explain why ozone is thermodynamically less stable then oxgen ?

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  7. Draw the structure of : H(2)SO(5)

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  8. Draw the structure of : SO(3)^(2-)

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  9. Interhalogen compounds are more reactive than halogens except F(2). Wh...

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  10. Give one important use of ClF(3).

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  11. Write the composition of bleaching powder.

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  12. What happens when NaCl is heated with conc. H(2)SO(4) in the presence ...

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  13. A colourless pungent smelling gas, which easily liquefies to a colourl...

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  14. NO(2) readily dimenise, whereas ClO(2) does not. Why ?

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  15. Compare the oxidizing powers of F(2) and Cl(2) on the basis of bond di...

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  16. Which fluorinating agent are oftenly used instead of F(2) ? Write chem...

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  17. Draw the structure of BrF(3).

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  18. Complete the following reactions : Al(2)O(3)(s)+NaOH(aq)+H(2)O(l)rar...

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  19. Complete the following reactions : HCl+O(2)rarr

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  20. Complete the following reactions : Ca(OH)(2)+Cl(2)rarr

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