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Arrage the group - 16 hydrides in the...

Arrage the group - 16 hydrides in the order of increasing acidic strenght.

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`H_(2)O lt H_(2)S lt H_(2)Se lt H_(2)Te`.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER TYPES (VSA )
  1. In which compound an element exhibits its highest oxidation sta...

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  2. Why does stability of +6 oxidation state decrease down the grou...

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  3. Arrage the group - 16 hydrides in the order of increasing acidic ...

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  4. Out of H(2)O and H(2)S which one has a higher thermal stability...

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  5. Comment on the nature of two S = O bonds is SO(2).

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  6. What is the geometery of SCI(2) ? Why ?

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  7. Out of SF(6) and TeF(6) , which one does not undergo hydrolysis ?w...

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  8. OF(6) has no existence - why ?

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  9. Sulphur disappears when boiled with an aqueous solution of Na(2)SO(...

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  10. What happens when H(2)S is allowed to burn in a limited supply ...

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  11. What happens when an aquous solution of SO(2) is heated in a seale...

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  12. Name the type of bonds present in sulphuric acid anhydride.

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  13. What happens when (1) H(2)SO(4) is kept in an open vessel and (2) ...

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  14. Why is PbO(2) called lead dioxdie , not lead peroxide ?

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  15. Super oxides possess paramagnetic peroperties - why ?

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  16. Why is O(3) thermodynamically less stable than O(2) ?

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  17. It is necessary to use a silent electric dischange in the prepara...

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  18. Out of rhombic and monoclinic sulphur which one is more stable a...

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  19. What is fuming sulphuric acid ?

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  20. Give the key reaction involved in the manufacture of sulphuric ac...

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