0.2595g of an organic substance in a quantitative analysis yielded 0.35g of the barium sulphate. The percentage of sulphur in the ..
In Dumas method for estimation of nitrogen 0.25g of an organic compound gave 40 ml of nitrogen collected at 300k temperature and 7..
In Kjeldahls method, CuSO4 acts as
An organic compound containing C,H and N gave following analysis : C = 40% , H = 13.33% and N = 46.67%. Its empirical formula woul..
The decomposition of organic compounds in the presence of oxygen and without formation of odoriferous substances, is called
The best method for the separation of naphthalene and benzoic acid from their mixture is
Which of the following pair of the species has the same percentage of carbon
The Lassaignes extract is boiled with conc. HNO3 while testing for halogens. By doing so it
If a compound on analysis was found to contain C = 18.5%, h
H = 1.55%, CL = 55.04% and O = 24.81%, then its empirical formula is
An organic compound contains C = 38.8%, H = 16% and N = 45.2% . Empirical formula of the compound is
How will you separate a solution (miscible) of benzene +CHCL3
A mixture of camphor and benzoic acid can be separated by
A violet colour compound formed in detection of S in a compound is
60g of a compound on analysis gave C = 24g, H = 4g and O = 32g. Its Empirical formula is
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