Chemistry · JEE

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

3+ syllabus-aligned questions available

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Medium Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs bridge basics and advanced JEE problems — 3+ available on Goodmarks.

Medium-difficulty Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs mirror typical JEE Main questions. Practise 3+ MCQs with step-by-step solutions.

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

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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

Are medium Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs enough for JEE Main?

Yes for many units — combine with PYQ-style and mock tests as exam day approaches.

Syllabus context

Free sample questions

Frequently asked questions

Are medium Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs enough for JEE Main?

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