Chemistry · JEE

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

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Hard Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs train multi-concept problem solving — attempt after mastering easy and medium sets (3+ on Goodmarks).

Push your limits with hard Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs designed for JEE Advanced-level thinking. 3+ questions with detailed 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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When should I attempt hard Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs?

After 70%+ accuracy on medium MCQs and once core formulas are automatic.

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Free sample questions

Frequently asked questions

When should I attempt hard Detection of extra elements (Nitrogen, sulphur, halogens) in organic compounds MCQs?

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