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Why does ammonia act as a lewis base?...

Why does ammonia act as a lewis base?

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JMD PUBLICATION-THE p-BLOCK ELEMENTS-Example
  1. Though nitrogen exhibits + 5 oxidation state, it does not form penta-h...

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  2. Why are pentahalides more covalent than trihalides ?

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  3. Why does ammonia act as a lewis base?

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  4. Why does NO2 dimerise ?

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  5. Draw the structure of N2O5. What is the covalency of nitrogen in N2O...

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  6. Why does nitrogen show catenation properties less than phosphorus ?

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  7. Why white or yellow phosphorus is always kept under water ?

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  8. Nitric oxide becomes brown when released in air. Explain why ?

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  9. NO (Nitric oxide) is paramagnetic in the gaseous slate but diamagnet...

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  10. Why does the reactivity of nitrogen differ from the phosphorus ?

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  11. Molecular nitrogen is not particularly and reactive. Why?

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  12. Describ chemistry of manufacture of ammonia by Haber's process and dis...

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  13. Describe Ostwald's process for the manufacture of nitric acid. Give ...

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  14. What is aqua regia ?

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  15. llustrate how copper metal can give different products on reaction w...

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  16. The HNH angle value is higher than HPH, HAsH and HSbH angles. Why

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  17. Explain why NH3 is basic but BiH3 is only feebly basic.

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  18. Why is oxygen a gas while sulphur is a solid at room temperature?

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  19. Sulphur shows +4 and +6 oxidation state in their compounds but oxyge...

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  20. H2S is a gas but H2O is liquid at room temperature. Explain.

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