NTA Abhyas JEE Main2020ChemistryAminesPractice
Kjeldahl's method cannot be used to estimate nitrogen for which of the following compounds?
Options
- AC H 3 C H 2 – C ≡ N
- BC 6 H 5 N H 2
- CC 6 H 5 N O 2
- DNH 2 CONH 2
Correct answer
C. C 6 H 5 N O 2
Step-by-step solution
Kjedahl's method cannot be used to test nitrogen in nitro and diazo present in ring because nitrogen in nitro and diazo groups cannot be converted into ammonium sulphate.