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Though nitrogen exhibits + 5 oxidation s...

Though nitrogen exhibits + 5 oxidation state, it does not form penta-halide. Given reason.

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JMD PUBLICATION-THE p-BLOCK ELEMENTS-Example
  1. What is basicity of H3PO4?

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  2. What is the basicity of H3PO2 and why ?

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  3. Though nitrogen exhibits + 5 oxidation state, it does not form penta-h...

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  4. Why are pentahalides more covalent than trihalides ?

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  5. Why does ammonia act as a lewis base?

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  6. Why does NO2 dimerise ?

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

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

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

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

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

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

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

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

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

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  16. What is aqua regia ?

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

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

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

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

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