Chemistry · JEE

Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds Concepts for JEE

3+ syllabus-aligned questions available

Quick answer

Master Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

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Concept explainer

Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds is a core JEE Main Chemistry subtopic under Principles Related to Practical Chemistry. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

Understand the definition and scope of Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds in the JEE syllabus
Memorise key formulas and standard results linked to Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds
Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

Revise Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds with a one-page formula sheet before attempting mixed tests
After each practice set, log mistakes specific to Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds and reattempt after 48 hours

Common trap

Students often rush Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of Principles Related to Practical Chemistry in JEE Main Chemistry.

Free sample questions

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Q1ChemistryUnit 20: Principles Related to Practical Chemistry

In the given figure, the red-brown gas evolved is

Q2ChemistryUnit 20: Principles Related to Practical Chemistry

Carbon dioxide formed after reaction with cupric oxide is tested by :

Q3ChemistryUnit 20: Principles Related to Practical Chemistry

sweetener

A, B, C

and

D .

To identify these samples, he performed certain experiments and noted the following observations. (i)

A

and

D

both form a blue-violet colour with ninhydrin. (ii) Lassaigne extract of

\mathrm{C}

gives positive

A g N O_{3}

test and negative

\boldsymbol{F} \boldsymbol{e}_{4}\left[\boldsymbol{F} \boldsymbol{e}(\boldsymbol{C} \boldsymbol{N})_{6}\right]_{3}

test. (iii) Lassaigne extract of

\mathrm{B}

and

\mathrm{D}

gives positive sodium nitroprusside test. Based on these observations which option is correct?

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Frequently asked questions

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