Q.

0.4 grams of an organic compound containing nitrogen when Kjeldahlised liberated ammonia which required 20 ml of 0.1 M H2SO4 for complete neutralization. Percentage of nitrogen in the organic compound is

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a

42

b

7

c

28

d

14

answer is D.

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Detailed Solution

% of Nitrogen = 1.4 x Va x NaWOC % of Nitrogen = 1.4 x 20 x 0.1 M20.4 = 14 % ;

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