Quantitative Elemental 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
 

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 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 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?

Kjeldahl's trap is the part of 

Using Duma's method for estimating nitrogen, $1 \mathrm{g}$ of an organic compound $\mathrm{X}\text{'}$ gave $82 \mathrm{ml}$ of nitrogen, collected at $27°\mathrm{C}$ and $750 \mathrm{mm} \mathrm{Hg}$ pressure. If the aqueous tension at $27°\mathrm{C}$ is $30 \mathrm{mm} \mathrm{Hg}$ pressure, then the percentage of nitrogen in the given compound $X$ is

In Kjeldahl's method, organic $\text{'}\mathrm{N}\text{'}$ is estimated as

How the apparatus arranged in Kjeldahl experiment.

List all the apparatus used in Kjeldahl experiment.

Which of the following method is used for the estimation of oxygen in an organic compound?

The ammonia evolved from the treatment of $0.30 \mathrm{g}$ of an organic compound for the estimation of nitrogen was passed in $100 \mathrm{mL}$ of $0.1 \mathrm{M}$ Sulphuric acid. The excess of acid required $20 \mathrm{mL}$ of $0.5 \mathrm{M}$ Sodium hydroxide solution for complete neutralization. The percentage of nitrogen in the organic compound is (Report the answer in the nearest integer).

$0.25 \mathrm{gm}$ of organic compound on analysis by Dumas method produce $32 \mathrm{ml}$ of nitrogen gas at $\mathrm{STP}$. The percentage of nitrogen is?

Which one of the following methods can be used to find out the percentage composition of halogen present in an organic compound?

$0.35 \mathrm{g}$ of an organic compound in Duma's estimation for nitrogen gave $55 \mathrm{ml}$ of nitrogen at $300 \mathrm{K}$ and $715 \mathrm{mm}$ pressure. If the aqueous tension at $300 \mathrm{K}$ is $15 \mathrm{mm}$ of $\mathrm{Hg}$ pressure, the percentage of nitrogen in the compound is:

Which of the following is correct?