JEE Main20208 Jan 2020Evening ShiftChemistryGeneral Organic ChemistryActual
Kjeldahl’s method cannot be used to estimate nitrogen for which of the following compounds?
Options
- AC 6 H 5 N H 2
- BC H 3 C H 2 - C ≡ N
- CC 6 H 5 N O 2
Correct answer
C. C 6 H 5 N O 2
Step-by-step solution
Kjeldahl method is not applicable to nitro or diazo groups present in the ring, as nitrogen atom can't be converted to ammonium sulphate under the reaction conditions.