Carboxylic Acids Question 63
Question: On prolonged heating of ammonium cyanate or urea, we get
[DPMT 1982; CPMT 1979; MP PMT 1996]
Options:
A) $ N_2 $
B) $ CO_2 $
C) Biurette
D) Ammonium carbonate
Show Answer
Answer:
Correct Answer: C
Solution:
$ \underset{\text{Ammonium cyanate}}{\mathop{NH_4CNO}}\xrightarrow{\Delta }\underset{Urea}{\mathop{NH_2-CO-NH_2}} $
$ \underset{{}}{\mathop{NH_2-CO-NH_2}}+\underset{Urea}{\mathop{H-NH-CO-NH_2}}\underset{-NH_3}{\mathop{\xrightarrow{\Delta }}} $
$ \underset{Biuret}{\mathop{NH_2-CO-NH-CO-NH_2}} $
BETA
