Qualitative Ana...

0.92 g of an organic compound was analysed by combustion method. The mass of the U-tube increased by 1.08 g. What is the percentage of hydrogen in the compound?

An organic compound gave 0.4655 g of CO₂ on complete combustion. If the mass of the compound taken was 0.2115 g, what is the percentage of C in it?

In Duma'smethod 0.52 g of an organic compound on combustion gave 68.6 mL N₂ at 27^oC and 76 mm pressure. What is the percentage of nitrogen in the compound?

In kjeldahl's method of estimation of nitrogen, nitrogen is quantitatively converted to ammonium sulphate. It is the treated with the standard solution of alkali. The nitrogen which is present is estimated as:

In Carius method of estimation of halogen, 0.15 g of an organic compound gave 0.12 g of AgBr. What is the percentage of bromine in the compound?

2.18 g of an organic compound containing sulphur produces 1.02g of BaSO₄. Thepercentage of sulphur in the compound is

1.6 g of an organic compound gave 2.6 g of magnesium pyrophosphate. The percentage of phosphorus in the compound is

Match the column I with column II in which formula for estimation of an element is given and mark the appropriate choice.

The percentage of oxygen in heavy water is

0.2 g of an organic compound contains C, H and O.On combustion, it yields 0.15 g CO₂ and 0.12 g H₂O.Ihe percentage of C, H and O respectively is