1.

A sample of 0.50 g of an organic compound was treated according to Kjeldahl’s method. The ammonia evolved was absorbed in 50 ml of 0.5 M H_(2)SO_(4). The residual acid required 60 mL of 0.5 M solution of NaOH for neutralisation. Find the percentage composition of nitrogen in the compound.

Answer»


Solution :By Kjheldhal.s method
`%N= (1.4 XX "meq of ACID to neutralise" NH_(3))/("weight or organic compound(G)")`


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