Kjeldahl's method is used in the estimation of

Options

A. nitrogen
B. halogens
C. sulphur
D. oxygen

Answer

A

Explanation

Kjedahl's method is simpler and more convenient than Duma's method . This method is largely used for the estimation of nitrogen in food stuff , drugs , fertilisers and many other organic compounds . However , this method cannot be used for organic compounds containing nitrogen in the ring such as pyridine , quinoline and organic compounds containing nitro `(-NO_(2))` and diazo `(-N = N-)` groups .