Question : In organic compounds, Nitrogen is estimated by
Option 1: Carius method
Option 2: Victor-Meyer's method
Option 3: Liebig's method
Option 4: Dumas' method
Correct Answer: Dumas' method
Solution : The correct option is Dumas' method .
To determine the Nitrogen concentration of organic substances, the Dumas method is utilised. A sample is heated to produce nitrogen gas, which is then collected, and quantified in this process. In a high-temperature furnace, the sample is combusted, transforming nitrogen to nitrogen gas. The resultant gas is processed chemically to eliminate contaminants, leaving just nitrogen. Its volume is measured and temperature, and pressure corrections are applied.
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