Q.

0.5 g of an organic compound containing nitrogen on Kjeldahlising require 29 mL of N / 5 H2SO4 for complete neutralization of Ammonia. The percentage of nitrogen in the compound is: 

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a

14.8

b

34.3

c

16.2

d

21.6

answer is B.

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Detailed Solution

Meq .of NH3 formed  =29×15:
 Mass of NH3=295×171000g  Mass of N2 in NH3=1417×29×175×1000g  % of N=14×29×17×10017×5×1000×0.5=16.24

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0.5 g of an organic compound containing nitrogen on Kjeldahlising require 29 mL of N / 5 H2SO4 for complete neutralization of Ammonia. The percentage of nitrogen in the compound is: