Qualitative Analysis of Organic Compounds

IMPORTANT

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

MEDIUM
IMPORTANT

The compound formed in the positive test for nitrogen with the Lassaigne's solution of an organic compound is

MEDIUM
IMPORTANT

Explain the procedure followed during Beilstein test.

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

Write the reaction involved in the detection of phosphorus.

MEDIUM
IMPORTANT

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

HARD
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

The nitrogen oxide can be converted into molecular nitrogen.

EASY
IMPORTANT

What is the colour of the precipitate we can observe in the reaction between chloride ion with AgNO3 solution ?

EASY
IMPORTANT

Write the equation for the reaction between bromide ion with AgNO3 solution in Lassaigne's test?

EASY
IMPORTANT

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

EASY
IMPORTANT

An organic compound on heating with CuO produces CO2 but not water. The organic compound may be