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Acidity of Alcohols and Phenols

93 0.4 g of a...

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93 0.4 g of an organic compound was kjeldahlised and the ammonia evolved was absorbed into 50 mL of M/4 sulphuric acid solution. The residual acid solution was diluted with distilled water and the volume was made upto 150 mL. 20 mL of this diluted solution required 31 mL of M/20 NaOH solution for complete neutralization. Calculate the percentage of nitrogen in the compound.

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0.35 g

of an organic compound was Kjeldahlised and ammonia evolved was absorbed in

100 mL

\frac{N}{5} H_{2} S O_{4}

the residual acid required

154 mL

\frac{N}{10} N a O H

for neutralisation. Calculate the percentage of nitrogen in the compound.

1.4

g of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in

60

M / 10 H_{2} S O_{4}

solution. The excess sulphuric acid required

20

M / 10 N a O H

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

29.5

mg of an organic compound containing nitrogen was digested according to Kjeldahl's method and the evolved ammonia was absorbed in

20

0.1

M

HCl solution. The excess of the acid required

15

0.1

M NaOH solution for complete neutralization. The percentage of nitrogen in the compound is:

Q. The ammonia evolved from the treatment of

0.30 g

of an organic compound for the estimation of nitrogen was passed in

100 m L

0.1 M

sulphuric acid. The excess of acid required

20 m L

0.5

sodium hydroxide solution hydroxide solution for complete neutralization. The organic compound is:

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