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Why is the tendency of catenation of the...

Why is the tendency of catenation of the group - 15 elements much less than that of carbons?

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The E - E bond dissociaiton enthalpies of group - 15 elements are much lower than that of the C- C. bond which are thermodynamically not very stable.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-VERY SHORT ANSWER TYPES (VSA )
  1. What are pnicogens ?

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  2. Which group - 15 elements has the lowest Delta(i)H(1) ?

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  3. Why is the tendency of catenation of the group - 15 elements much le...

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  4. Why does the stability of + 5 oxidation state decrease on moving do...

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  5. Which is the only compound of bismuth with +5 oxidation state ?

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  6. Which group- 15 hydride is soluble in water and why ?

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  7. Which of the group -15 elements exhibits maximum number of oxdiati...

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  8. Which is a stronger oxidising agent ? Sb (V), Bi (V).

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  9. Which of the group-15 hydrides has the (1) highest thermal stability...

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  10. Arrage the trioxide of the group - 15 elements in the order of de...

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  11. Which halide of nitrogen does not undergo hydrolysis ?

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  12. Arrgae the trihalides of nitrogen in the order of increasing as L...

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  13. What is the shape of an Ex(5) molecules ? Why does it behave a a ...

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  14. What type of multiple bond is formed (1) between N and O and (2) b...

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  15. What is nitrolim ? Give one use .

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  16. Liquid ammonia is used as a refrigerant - why ?

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  17. What is amatol ?

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  18. Which oxide fo nitrogen is used as an anaesthetic by dentists for...

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  19. Identify the oxides of nitrogen obtained in each of the following...

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  20. Identify the oxides of nitrogen obtained in each of the following...

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