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Lassaigne's test is used for detection of:

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Important Questions on Organic Qualitative Analysis

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In Lassaigne’s test, the organic compound is fused with a piece of sodium metal in order to:

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What is the purpose of Lassaigne's Test in organic chemistry?
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What is the purpose of the drying tube in Lassaigne's Test apparatus?

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During the heating step in Lassaigne's Test, why is it important to use a drying tube and a Bunsen burner?

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In Lassaigne's Test, after the extraction of organic compounds into an organic solvent, what reagent is added to the organic layer to test for the presence of sulphur?

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Which of the following set of elements can be detected by Lassaigne's Test?

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The Lassiagne's extract is boiled with dil HNO3 before testing for halogens because,
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Given below are two statements :

Statement I: Aniline reacts with con. H2SO4 followed by heating at 453-473 K gives p-aminobenzene sulphonic acid, which gives blood red colour in the 'Lassaigne's test'.

Statement II: In Friedel - Craft's alkylation and acylation reactions, aniline forms salt with the AlCl3 catalyst. Due to this, nitrogen of aniline acquires a positive charge and acts as deactivating group.

In the light of the above statements, choose the correct answer from the options given below :