Question

Which of the following is 'a' FALSE statement?

(1) Carius tube is used in the estimation of sulphur in an organic compound

(2) Carius method is used for the estimation of nitrogen in an organic compound

(3) Phosphoric acid produced on oxidation of phosphorus present in an organic compound is precipitated as Mg₂P₂O₇ by adding magnesia mixture.

(4) Kjeldahl's method is used for the estimation of nitrogen in an organic compound

Answer 1

(2) Carius method is used for the estimation of nitrogen in an organic compound

Carius method is used in the estimation of halogen in organic compounds.