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Chemical Properties of Ethers

Combustion of...

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Combustion of 0.42g of an organic compond gave 0.924g of CO2 and 0.243g of H2O.Due to distillation of 0.208g of the compomds with NaOH ammonia evolved required 30ml of N/20 H2SO4 for complete neutralization.Calculate the percentage composition of componud

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0.50 g

of an organic compound was treated according to Kjeldahl's method. The ammonia evolved was absorbed in

50 m l

0.5 M

H_{2} S O_{4}

. The residual acid required

60 m l

0.5 M

N a O H

for neutralization. The percentage composition of nitrogen in the compound is:

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?

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.

0.27 g

of an organic compound gave on combustion

0.396 g

C O_{2}

= 0.216 g

H_{2} O

0.36 g

of the same substance gave

48.88 m L

N_{2}

290 K

740 m m

pressure. Calculate the percentage composition of the compound.

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:

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