Which of the following statements is/are wrong?
Sulphur is estimated by Carius method as BaSO4
Victor Meyer's method is used for the determination of molecular mass of a non-volatile compound
Kjeldahl's method is used for all nitrogen-containing organic compounds.
Phosphorous is estimated by Carius method as Mg(NH4).PO4
(3) Not applicable to pyridine, compounds containing N-N and N-O bonds, etc.,
(4) Estimated magnesium pyrophosphate Mg2P2O7