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An organic compound having molecular mas...

An organic compound having molecular mass `60` is found to 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 gives violet color with alkaline copper sulphate solution. The compounds is

A

`CH_(3)CH_(2)CONH_(2)`

B

`CH_(3)NCO`

C

`CH_(3)CONH_(2)`

D

`(NH_(2))_(2)CO`

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The correct Answer is:
D
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