1.

The ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed

Answer»

Urea
Benzamide
Acetamide
Thiourea

Solution :Equivalent of `NH_(3)`evolved
`= (100 XX 0.1 xx 2)/(1000) - (20 xx 0.5)/(1000)= 1/100`
percent of nitrogen in the unknown ORGANIC compound
`= 1/100 xx 14/0.3 xx 100 = 46.6%`
percent of nitrogen in urea`(NH_(2))_(2) CO`
`= (14 xx 2)/(60) xx 100 = 46.6%`
`:.` The compound must be urea.


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