JEE MAIN - Chemistry (2020 - 8th January Evening Slot - No. 3)
Kjeldahl's method cannot be used to estimate
nitrogen for which of the following
compounds?
C6H5NH2
$${\rm{N}}{{\rm{H}}_2} - \mathop C\limits^{\mathop \parallel \limits^O } - {\rm{N}}{{\rm{H}}_2}$$
C6H5NO2
CH3CH2-C $$ \equiv $$ N
Explanation
Kjeldahl’s method is not applicable to
compounds containing nitrogen in nitro, azo
groups and nitrogen present in ring (pyridine).
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