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Explain the manufacture of nitric acid b...

Explain the manufacture of nitric acid by Ostwald's process.

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Step -1 : Catalytic oxidation of ammonia gives nitric oxide.
`NH_(3)+5O_(2)underset(500k9"bar")overset("pt/Rb catalyst")rarr4NO+6H_(2)O`
Step-2: Nitric oxide thus formed combines with oxygen gives `NO_(2)`
`2NO+O_(2)hArr2NO_(2)`
Step -3 : Nitric oxide so formed dissolves in water to give `HNO_(3)`
`H_(2)O+3NO_(2)rarr2HNO_(3)+NO`
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SUBHASH PUBLICATION-THE 'P'-BLOCK ELEMENTS-EXERCISE
  1. How ammonia is manufactured by Haber's process ?

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  2. Why does ammonia acts as a lew is base ? Given an example.

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  3. Explain the manufacture of nitric acid by Ostwald's process.

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  4. What is the action of Cone. HNO(3) and dil HNO(3) on copper turnings...

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  5. What is the action of Cone. HNO(3) and dil HNO(3) on zinc metal.

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  6. Name the gas liberated when zinc reacts with dil HNO(3) .

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  7. Name the metals which do not react with Conc. HNO(3) give reason.

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  8. Give two differences between white phosphorus and red phosphorus.

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  9. How is phosphine prepared from calcium phosphide ?

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  10. How phosphine is prepared in the laboratory ?

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  11. Show that PH(3) is basic in nature.

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  12. Give reason: PH(3) has lower melting point than NH(3)

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  13. Give reason: Nitrogen is less reactive at room temperature.

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  14. Which allotropic from of phosphorus has discrete tetrahedral P molecul...

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  15. Bond angle in PH4+ is higher that in PH(3). Why?

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  16. Name the acid obtained when PCl(5) undergoes hydrolysis, Give equatio...

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  17. White phosphorous is heated with excess of dry chlorine to get X. X on...

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  18. Are all the five bonds of PCl(5) equivalent ? Justify your answer.

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  19. Write the structure for the following oxoacids of phosphorus. (i) Hy...

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  20. How do you account of the reducing behaviour for H(3)PO(2) ?

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