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0.9g of an organic compound gave on comb...

0.9g of an organic compound gave on combustion:
(i) `1.584g CO_(2)` (ii) `0.648g H_(2)O` When `0.24g` of the substance was Kjeldahlised and the ammonia formed was absorbed in `50 cm^(3)` of `(N)/(2)H_(2)SO_(4)`. The excess acid required `77 cm^(3)` of `N//10NaOh` for complete neutralization. Molecular mass of the compound is estimated to be 100.
The compound has maximum percentage composition of which of the following elements?

A

C

B

H

C

N

D

O

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • 0.9g of an organic compound gave on combustion: (i) 1.584g CO_(2) (ii) 0.648g H_(2)O When 0.24g of the substance was Kjeldahlised and the ammonia formed was absorbed in 50 cm^(3) of (N)/(2)H_(2)SO_(4) . The excess acid required 77 cm^(3) of N//10NaOh for complete neutralization. Molecular mass of the compound is estimated to be 100. Molecular formula of the compound will be:

    A
    `C_(8)H_(4)NO_(2)`
    B
    `C_(4)H_(8)N_(2)O`
    C
    `C_(4)H_(8)NO`
    D
    `C_(8)H_(4)NO`

  • 0.9g of an organic compound gave on combustion: (i) 1.584g CO_(2) (ii) 0.648g H_(2)O When 0.24g of the substance was Kjeldahlised and the ammonia formed was absorbed in 50 cm^(3) of (N)/(2)H_(2)SO_(4) . The excess acid required 77 cm^(3) of N//10NaOh for complete neutralization. Molecular mass of the compound is estimated to be 100. Percentage composition of nitrogen in the compound will be:

    A
    16
    B
    61
    C
    6
    D
    28

  • 0.9g of an organic compound gave on combustion: (i) 1.584g CO_(2) (ii) 0.648g H_(2)O When 0.24g of the substance was Kjeldahlised and the ammonia formed was absorbed in 50 cm^(3) of (N)/(2)H_(2)SO_(4) . The excess acid required 77 cm^(3) of N//10NaOh for complete neutralization. Molecular mass of the compound is estimated to be 100. What is the percentage composition of carbon in the compound?

    A
    0.16
    B
    0.08
    C
    0.28
    D
    0.48