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How is ammonia manufactured industrially...

How is ammonia manufactured industrially?

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Ammonia is manufactured industrially by Haber.s process: .N_2~g+3 H_2~g^* 2 NH_3~g: Delta_b H^circ=-46.1 kJmol^-. In accordance with Le Chatelier.s principle. high pressure wóuld favourthe formation of ammonia. The optimum conditions for the production of ammonia are a pressure of .200 times 10^5 ~Pa_.. abbout 200 atm , a temperature öf .sim 700 ~K. and the use of a catalyst suich as iron .oxide with small amounts of .K, O. and .Al_2 O_3. to increase the rate of attainment of equilibrium. The chart for the production of ammonia is shown in figure below: figure
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V PUBLICATION-The p-BLOCK ELEMENTS-QUESTION BANK
  1. Why does NH3 form hydrogen bond but 'PH3 does not?

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  2. How is nitrogen prepared in the laboratory? Write the chemical equatio...

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  3. How is ammonia manufactured industrially?

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  4. Illustrate how copper metal can give different products on reaction wi...

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  5. Give the resonating structures of NO2 and N2 O5

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

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  7. Why does R3P=0 exist but R3N=0 does not. [R = alkyl group]?

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  8. Explain why 'NH3', is basic. while 'BiH3 is only feebly basic.

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  9. Nitrogen exists as diatomic molecule and phosphorus as 'P4'. Why?

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  10. Write main differences between the properties of white phosphorus and ...

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  11. Why does nitrogen show catenation properties less than phosphourus?

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  12. Give the-disproportionation reaction of 'H3 PO3'

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  13. Can 'PCl5', act as oxidising as well as a reducing agent? Justify.

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  14. Justify the placement of '0, S', Se, Te and 'Po' in the same group of ...

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  15. Why is dioxygen a gas, but sulphur a solid?

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  16. Knowing the electron gain enthalpy values for O rarr O^- and O rarr O^...

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  17. Which aerosols deplete ozone?

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  18. Describe the manufacture of 'H2 SO4' by contact process.

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  19. How is SO2 an air pollutant?

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  20. Why are halogens strong oxidizing agents?

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