Question
The following techniques are used to quantitatively estimate extra elements in organic compound. Identify the name of the method and the element estimated by this method.
  1. A known mass of an organic compound is heated with fuming HNO3 in presence of AgNO3.
  2. Organic compound is heated with dry copper oxide in atmosphere of CO2.
  3. Organic compound is heated with conc. H2SO4.

Answer

  1. Estimation of halogen by Carius method.
  2. Estimation of nitrogen by Dumas method.
  3. Estimation of nitrogen by Kjeldahl's method.

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