Discussion Forum



1)

Which  one of the following methods can be used to find out the percentage composition of halogen present in an organic compound ?


A) Kjeldahi method

B) Duma's method

C) Lassaigne 's method

D) Carius method

Answer:

Option D

Explanation:

(a) Kjeldahl method  can be used for estimation of nitrogen in an organic sample

(b)  Dumas method can be used for estimation of nitrogen  in an organic sample

(c) Lassaigne method can be used for estimation of N, S, P  and halogens in an organic sample

(d) Carius method    can be used to find out the percentage composition of halogen present in an organic compound using Carius tube