Home
Class 11
CHEMISTRY
1.15 g of an organic compound was analys...

1.15 g of an organic compound was analysed by Kjeldahl.s method and the ammonia produced was collected in 30 mL of normal HCl solution. The excess of acid consumed 18.4 mL of normal sodium hydroxide solution for back titration. Calculate the percentage of nitrogen in the substance.

Text Solution

Verified by Experts

`N = 14.12%`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • DETECTION AND ESTIMATION OF ELEMENTS

    NCERT TAMIL|Exercise Problems (Estimation of sulphur)|3 Videos

  • DETECTION AND ESTIMATION OF ELEMENTS

    NCERT TAMIL|Exercise Problems (Estimation of halogens)|5 Videos

  • DETECTION AND ESTIMATION OF ELEMENTS

    NCERT TAMIL|Exercise Problems (Estimation of carbon and hydrogen)|5 Videos

  • COLLIGATIVE PROPERTIES

    NCERT TAMIL|Exercise QUESTION|46 Videos

  • ENVIRONMENTAL CHEMISTRY

    NCERT TAMIL|Exercise Evaluation |17 Videos

Similar Questions

Explore conceptually related problems

0.35 g of an organic substance was Kjeldahlised and the ammonia obtained was passed into 100 ml of N/5 H_(2)SO_(4) . The excess acid required 154 ml of N/10 NaOH for neutralisation. Calculate the percentage of nitrogen in the compound.

0.35 g of an organic substance was Kjeldahlised and the ammonia obtained was passed into 100 ml of N/5 H_(2)SO_(4) . The excess acid required 154 ml of N/10 NaOH for neutralisation. Calculate the percentage of nitrogen in the compound.

Knowledge Check

  • A sample of 0.5g of an organic compound was treated according to Kjeldahl’s method. The ammonia evolved was absorbed in 50mL of 0.5M H2SO4. The remaining acid after neutralisation by ammonia consumed 80mL of 0.5 MNaOH, The percentage of nitrogen in the organic compound is.

    A
    0.14
    B
    0.28
    C
    0.42
    D
    0.56

  • A sample of 0.5g of an organic compound was treated according to Kjeldahl's method. The ammonia evolved was absorbed in 50mL of 0.5M H_2SO_4 . The remaining acid after neutralisation by ammonia consumed 80mL of 0.5M NaOH, The percentage of nitrogen in the organic compound is:

    A
    0.14
    B
    0.28
    C
    0.42
    D
    0.56

  • A sample of 0.5g of an organic compound was treated according to Kjeldahl's method. The ammonia evolved was absorbed in 50 mL of 0.5M H_(2)SO_(4) . The remaining acid after neutralisation by ammonia consumed 80 mL of 0.5 M NaOH, The percentage of nitrogen in the organic compound is ............. .

    A
    0.14
    B
    0.28
    C
    0.42
    D
    0.56

    • Similar Questions

    Explore conceptually related problems

    0.80 g of a substance was digested with sulphuric acid and then distilled with an excess of caustic soda. The ammonia gas evolved was passed through 100 ml of 1N H_(2)SO_(4) . The excess of the acid required 80 ml of 1N caustic soda solution for its complete neutralisation. Calculate the percentage of nitrogen in the organic compound.

    0.80 g of a substance was digested with sulphuric acid and then distilled with an excess of caustic soda. The ammonia gas evolved was passed through 100 ml of 1N H_(2)SO_(4) . The excess of the acid required 80 ml of 1N caustic soda solution for its complete neutralisation. Calculate the percentage of nitrogen in the organic compound.

    1.216 of an organic compound was reacted under Kjeldahls method and the ammonia evolved was absorbed in 100 mL of NH,SO,. The remaining acjd solution was made upto 50 mL by the addition of water. 20 mL of the acid solution required 32 mL of caustic soda solution for complete neutralisation. Calculate the percentage composition of nitrogen in the organic compound.

    0.2 g of the organic compound was analysis by Kjeldahls method. Ammonia evolved was absorbed in 60mL of N/5 H_(2)SO_(4) unused acid required 40mL of N/10 NaOH for complete neutralisation. Find the percentage of nitrogen in the compound.

    0.36 g of a nitrogeneous organic compound was Kejldahilised and the ammonia liberated was exactly neutralised by 20 ml of 0.3 N H_(2)SO_(4_ . Calculate the percentage of nitrogen in the compound.

    Home
    Profile