Q305
Urea has chemical composition
A.
Co(NH2)2
AnswerB.
CoNH2
C.
Co(NH2)4
D.
(NH4)2SO4
Answer: Option A
Solution
Answer: Option A
Solution:
Urea is an organic compound with the chemical formula CO(NH2)2. This amide has two NH2 groups joined by a carbonyl (C = O) functional group. Urea serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals.