JEE Main On 08 April 2018 Question 18
Question: Which of the following compounds will be suitable for Kjeldahls method for nitrogen estimation? [JEE Main Online 08-04-2018]
Options:
A) 
B) 
C) 
D) 
Show Answer
Answer:
Correct Answer: B
Solution:
- Diazonium, nitro and ring containing nitrogen do not show Kjeldahl method because it is not interconvert into ammonium ion so the answer will be (3) $ \text{Ph-N}{H_2}\xrightarrow{{H_2}S{O_4}}{{\text{(N}{H_4}\text{)}}_2}S{O_4}\xrightarrow{{}}\text{Kjeldahl method} $
