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Account for the following : Two S - O...

Account for the following :
Two S - O bond lengths in `SO_(2)` are equal.
(ii) Fluorine shows only - 1 oxidation state in its compounds.

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CBSE COMPLEMENTARY MATERIAL-P-BLOCK ELEMENTS-SHORT ANSWER-I TYPE QUESTIONS
  1. Complete the following reactions : S(8) + H(2)SO(4) ("conc.") →

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  2. H(2)S is a stronger acid than H(2)O. Explain

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

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

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

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  6. How is O(3) estimated quantitatively ?

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

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

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

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

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

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  12. Write the composition of bleaching powder.

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

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

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

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

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

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  18. Draw the structure of BrF(3).

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

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

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