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Important Questions: Qualitative analysis: Detection of nitrogen, sulphur, phosphorus and halogens for JEE

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The most important Qualitative analysis: Detection of nitrogen, sulphur, phosphorus and halogens questions for JEE cover conceptual traps, standard results, and numerical patterns from Qualitative analysis: Detection of nitrogen, sulphur, phosphorus and halogens. Goodmarks provides 10+ high-yield MCQs with full solutions.

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Part of Purification and Characterisation of Organic Compounds in JEE Main Chemistry.

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Q1ChemistryUnit 13: Purification and Characterisation of Organic Compounds
Qualitative analysis of nitrogen is done by which test/ method?
Q2ChemistryUnit 13: Purification and Characterisation of Organic Compounds
In oxidation test of sulphur, sulphur gets oxidised to:
Q3ChemistryUnit 13: Purification and Characterisation of Organic Compounds
Which of the following compounds may give blood red colouration while performing Lassaigne's test for nitrogen? This question has multiple correct options
Q4ChemistryUnit 13: Purification and Characterisation of Organic Compounds
Copper wire test of halogens in known as:
Q5ChemistryUnit 13: Purification and Characterisation of Organic Compounds
The covalent compound which does not give a positive test in Lassaigne's test is:
Q6ChemistryUnit 13: Purification and Characterisation of Organic Compounds
The presence of nitrogen in the organic compound is tested as:
Q7ChemistryUnit 13: Purification and Characterisation of Organic Compounds
During sodium extract preparation for Lassaigne's test both NN and SS present in an organic compound change to:
Q8ChemistryUnit 13: Purification and Characterisation of Organic Compounds
In the detection test of carbon and hydrogen with cupric oxide, hydrogen is oxidized to

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