Quantitative Analysis of Organic Compounds

In Carius method of estimation of halogens, $250 \mathrm{mg}$ of an organic compound gave $141 \mathrm{mg}$ of $\mathrm{AgBr}$. The percentage of bromine in the compound is : (atomic mass $\mathrm{Ag} = 108; \mathrm{Br} = 80$)

Carius method is used to estimate which of the following compounds?

Carius method is used for the estimation of halogen. $0.24 \mathrm{g}$ of an organic compound gave $0.36 \mathrm{g}$ of silver bromide. Percentage of bromine present in the compound is
 

Describe the setup for Carius method for the mass of halogens.

In quantitative analysis of carbon and hydrogen in an organic compound, the mass of water produced is determined by passing the mixture through a weighed U-tube containing anhydrous calcium chloride.

In quantitative analysis of carbon and hydrogen in an organic compound, let the mass of organic compound be $\mathrm{m} \mathrm{g}$, mass of water and carbon dioxide produced be ${\mathrm{m}}_1$ and ${\mathrm{m}}_2 \mathrm{g}$ respectively. The percentage of carbon is given as:

In the quantitative analysis of carbon and hydrogen in an organic compound, the organic compound is burnt in the presence of excess of oxygen and copper(II) oxide to form carbon dioxide and _____ (water /  hydrogen peroxide) respectively.

Explain the quantitative analysis of carbon and hydrogen in an organic compound.

In which of the following methods the organic compound yields nitrogen gas by heating it with copper(II) oxide in the presence of carbon dioxide gas.

Draw the apparatus that shows Dumas' method?

Traces of nitrogen oxides formed, if any, are reduced to nitrogen by passing the gaseous mixture over a heated _____.

The nitrogen containing organic compound, when heated with copper oxide in an atmosphere of carbon dioxide, yields free nitrogen in addition to carbon dioxide and water.

Draw the experimental set up of the estimation of nitrogen by Kjeldahl's method.

Mention the reaction which involved in the estimation of carbon and hydrogen.

Mention the reaction of carius method for the determination of sulphur. 

How does the percentage of sulphur estimated?

The chemical formula of fuming acid used in the Carius method.

(Note : Fill the blanks by writing the chemical formulas in straightforward manner without using subscript. For example, the chemical formula of methane should be filled in the blank as $\mathrm{CH}4$ and not as ${\mathrm{CH}}_4$)

Write the main reaction involved during the estimation of halogen by Carius method.

Explain about principle and reactions involved in Carius method of estimation of sulphur. 

In the Carius method, the sealed Carius tube containing organic compound, fuming nitric acid and silver nitrate is heated at $300 °\mathrm{C}$ for six hours in the estimation of halogens.