An organic compound containing sulphur is estimated by Carius method in which fuming \(\mathrm{HNO}_{3}\) is…

An organic compound containing sulphur is estimated by Carius method in which fuming \(\mathrm{HNO}_{3}\) is used to convert \(\mathrm{S}\) into :
  1. \(\mathrm{SO}_{3}^{2-}\)
  2. \(\mathrm{SO}_{4}^{2-}\)
  3. \(\mathrm{SO}_{3}\)
  4. \(\mathrm{SO}_{2}\)

Solution

\(\mathrm{S}\) is converted to \(\mathrm{H}_{2} \mathrm{SO}_{4}\left(\mathrm{SO}_{4}^{2-}ight)\). ^

Asked in: JEE-TOPICTESTS-CHEMISTRY

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