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NEET2019ChemistryGeneral Organic ChemistryActual

Which method is used to find halogen in organic compound?

Options

  1. ADuma's method
  2. BLeibig's method
  3. CKjeldahl method
  4. DCarius method

Correct answer

D. Carius method

Step-by-step solution

Carius method is used to find halogen in an organic compound. Here, the weighed amount of organic compound is heated in a sealed tube with fuming HNO ₃ in the presence of AgNO ₃ . As a result, halogen present in organic compound is converted into Agx which is weighed. The percentage of halogens can be calculated with the help of direct formula as aligned % of chlorine & = 35.5 143.5 weight of AgCl 100 weight of compound % of bromine & = 80 188 weight of AgBr 100 weight of compound % of iodine & = 127 235 weight of

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