Question

LAQ : How urea is manufactured? 

  • Inorganic Chemistry
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Answer

Question

How urea is manufactured? 

Answer

In an autoclave ammonia and carbon dioxide are taken in 3:1 molar proportion, the mixture is heated to 170oC – 190oC at a pressure of 100 – 200 atmosphere to give ammonium carbamate (NH4COONH2) on reducing pressure this compound gives up water to produce urea.

2NH3 + CO2 → NH4COONH2 + Heat

NH4COONH2 → NH2CONH2 + H2O + Heat

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