1.

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?

Answer»

0.16
0.08
0.28
0.48

Answer :D


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