Question

Urea is

• A. Is an amide of carbonic acid
• B. It is diamide of carbonic acid
• C. Gives carbonic acid on hydrolysis
• D. Resembles carbonic acid

Answer 1

Answer: (B)

It is diamide of carbonic acid

Answer 2

Urea is the diamide of carbonic acid.

So two mole of $\mathrm { NH } _ { 3 }$ required that why it is the diamide of carbonic acid.