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0.35 g of an organic susbtance was Kjeld...

0.35 g of an organic susbtance was Kjeldahilsed and the ammonia obtained was passed into 100ml of M/`10H_(2)SO_(4)` The excess acid required 154 ml of `M//10 NaOH` for neurtralisation, calculate the % of nitrogen in the compound.

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0.2 gm of an organic compound was analysed by kjeldahl's method the ammonia evolved was absorbed in 60 ml (N)/(5)H_2SO_4 . Unused acid required 40 ml of (N)/(10)NaOH for complete neutralisation. Find the percentage of nitrogen in the compound.

0.50 g of an organic compound was Kjeldahlised and the NH_(3) evolved was absorbed in50 ml of 0.5 M H_(2)SO_(4) . The residual acid required 60cm^(3) of 0.5 M NaOH . The percentage of nitrogen in the organic compound is

Knowledge Check

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

    A
    18.4
    B
    28.4
    C
    38.4
    D
    48.4

  • 1.4 g of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in 60 mL of M/10 H_(2)SO_(4) solution. The excess sulphuric acid required 20 mL of M/10 NaOH solution for neutralization. The percentage of nitrogen in the compound is :

    A
    24
    B
    5
    C
    10
    D
    3

  • 0.33 g of an organic compound was analysed for nitrogen by Kjeldhal's method. The ammonia gas evolved was absorbed in 50 ml of 0.05 M H_(2)SO_(4) . The excess acid required 25 ml of 0.1 M NaOH for neutralization. The Percentage of nitrogen in the given compound is

    A
    11.5
    B
    23
    C
    12. 5
    D
    14.5