Chemical formula of biuret is_________________?
Correct answer: B. NH2CONHCONH2
- A. NH2.CO.NH2
- B. NH2CONHCONH2
- C. NH3.COO.NH3
- D. NH4COONH2
Explanation
Biuret forms when two urea units condense with loss of ammonia, giving the structure NH2CONHCONH2. The other formulas represent urea or ammonium carbamate-related species rather than biuret.
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