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CGP EDU Academic Team
Published on: August 14, 2026
An organic compound having molecular mass 60 is found to be contain C = 20%, H = 6.67% and N = 46.67% while rest is oxygen. On heating it gives NH 3 along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is :
Text Solution
Verified by ExpertsThe correct answer is:
B
The empirical formula from given percentage data is N 2 H 4 CO. Urea on heating gives biurate & ammonia. Biurate gives violet colour with CuSO 4 solution.
2NH 2 –CO–NH 2 
NH 2 –CO–NH–CONH 2 + NH 3
Biurate
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