Qualitative Analysis of Organic Compounds
Qualitative Analysis of Organic Compounds: Overview
This topic covers concepts, such as, Qualitative Analysis of Organic Compounds, Detection of Carbon and Hydrogen, Reactions Involved in Detection of Phosphorus & Beilstein Test etc.
Important Questions on Qualitative Analysis of Organic Compounds
The compound formed in the positive test for nitrogen with the Lassaigne's solution of an organic compound is

What metal is used in Beilstein test?

Explain the procedure followed during Beilstein test.

Beilstein test is used for the detection of which element in the organic compound?

Write the reaction involved in the detection of phosphorus.

Is Beilstein's test a satisfactory test for the detection of halogens?

The colour of ammonium phosphomolybdate is :

The acid used in the detection of phosphorus in an organic compound is :

In Lassaigne’s test, on treating sodium fusion extract with sodium nitroprusside, the appearance of a _____ colour further indicates the presence of sulphur.

In Lassaigne’s test, _____ precipitate of lead sulphide indicates the presence of sulphur and lead. (black/white)

What happens if sodium thiocyanate reacts with the excess of sodium?Explain.

Why sodium thiocyanate doesn't give Prussian blue instead of red blood colour?

In Lassaigne’s test, nitrogen and sulphur both are present in an organic compound, sodium thiocyanate is formed.

The nitrogen oxide can be converted into molecular nitrogen.

How does sulphur detected qualitatively?

How does nitrogen detected qualitatively?

What is the colour of the precipitate we can observe in the reaction between chloride ion with solution ?

Write the equation for the reaction between bromide ion with solution in Lassaigne's test?

Write the process that is involved in Lassaigne's test, for the halogens that are present in organic compounds?

An organic compound on heating with produces but not water. The organic compound may be
