Question
Chemistry Question on Organic Chemistry- Some Basic Principles and Techniques
Kjeldahl method for estimation of nitrogen is not applicable to
A
pyridine
B
hexamethylene diamine
C
propan-1-amine
D
2-phenylethanamine
Answer
pyridine
Explanation
Solution
Kjeldahl method can not be used for compounds having azo groups (−N=N−) nitroso (−NO) azoxy compounds
and nitrogen in the ring (pyridine, quinoline etc.) Since, nitrogen in these compounds is not quantitatively converted into ammonium sulphate.