In an organic compound,phosphorus is estimated as:

In Kjeldahl’s method,the nitrogen present in the organic compound is quantitatively converted into

In sulphur estimation,$0.157 \ g$ of an organic compound gave $0.4813 \ g$ of barium sulphate. What is the percentage of sulphur in the compound?

In the estimation of phosphorus in an organic compound,phosphorus is $NOT$ weighed in the form of which of the following substances?

In Carius method for estimation of halogens,$180 \ mg$ of an organic compound produced $143.5 \ mg$ of $AgCl$. The percentage composition of chlorine in the compound is $............. \%$.
[Given : molar mass in $g \ mol^{-1}$ of $Ag = 108$,$Cl = 35.5$]

In which of the following compounds is the Kjeldahl method applicable?