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Nitrous acid behave as an oxidant as ...

Nitrous acid behave as an oxidant as well as a reductant - why ?

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The oxidation number of nitrogen in `Hoverset(+3)(N)O_(2)` may increase to give `Hoverset(+5)(N)O_(3)` or decrease to give `overset(+2)(NO)`. Therefore `HNO_(2)` may act both as an oxidant as well as a reductant.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER TYPES (VSA )
  1. BH(4)^(-) and NH(4)^(-) ions are isolobal - explain.

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  2. What happens when a mixture of (NH(4))(2)SO(4) and NaNO(3) is heate...

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  3. Nitrous acid behave as an oxidant as well as a reductant - why ?

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  4. Arrange N(2)O(5), N(2)O(3) and N(2)O(4) in the order of increasing...

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  5. Among the group - 16 elements ,which one is a typical metal and ...

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  6. Which elements are also known as chalcogens ? Why ?

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  7. Name the two elements of group -16 which are metalloids and phot...

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  8. Out of N and O which one has a higher Delta(i) H(l) ? Why ?

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  9. Which one of the group - 16 elements has the lowest negative elec...

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  10. Out of CS(2) and Cse(2) which one less stable ? Why ?

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  11. Sulphur has a stronger tendency for catenation than oxygen - why ...

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  12. Arrage H(2)S,H(2)O and H(2)Se in the order of increasing bond an...

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  13. Give example of two compounds in which oxidation state of oxygen ...

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  14. In which compound an element exhibits its highest oxidation sta...

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

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

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

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

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

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