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Water Pollution

(4) 23.7 63. ...

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(4) 23.7 63. 0.5 g of an organic compound cantaining N on Kjeldahlising required 29 ml of N/5 H2So4 for complete neutralization of NH3 The percentage of N in the compound is (1) 34.3 (3) 21.6 (2) 16.2 (4) 14.8 cd odaof rnic Compound gave 9.188q of AQBr

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0.5 g

of an organic compound containing nitrogen on kjeldahlising required

29 m l

N / 5 H_{2} S O_{4}

for complete neutralisation of ammonia. The percentage of nitrogen in the compound is :

Q. In the estimation of nitrogen by Kjeldahl's method,

2.8 g

for an organic compound required

20

H_{2} S O_{4}

for the complete neutralization of

N H_{3}

gas evolved. The percentage of nitrogen in the sample is:

Q. 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} S O_{4}

. The residual acid required 60 mL of 0.5 M solution of NaOH for neutralization. The percentage composition of nitrogen in the compound is :

0.2 g

of an organic compound was analysed by Kjeldahl’s method. The ammonia evolved was absorbed in

60 ml

N / 5 H_{2} S O_{4}

. Unused acid required

40 ml

N / 10 N a O H

for complete neutralization. Find the percentage of nitrogen in the compound.

0.243

g of a organic compound containing nitrogen was Kjeldahlized and ammonia gas evolved was absorbed in

90.3

\frac{1}{10} N H C I

. unused acid required

20

0.2 N N a O H

for complete neutralization . percentage of nitrogen in the sample is?

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