Given below are two statements : Statement (I) : Nitrogen, sulphur, halogen and phosphorus present in an organic compound are detected by Lassaigne's Test. Statement (II) : The elements present in the compound are converted from covalent form into ionic form by fusing the compound with Magnesium in Lassaigne's test. In the light of the above statements, choose the correct answer from the options given below :

Statement I is true but Statement II is false

Both Statement I and Statement II are false

Statement I is false but Statement II is true

Both Statement I and Statement II are true

In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :

decrease concentration of $${ }^{-} \mathrm{OH}$$ ions

increase concentration of $$\mathrm{Cl}^{-}$$ ions

prevent interference by phosphate ions

increase concentration of $$\mathrm{NH}_4{ }^{+}$$ ions

During halogen test, sodium fusion extract is boiled with concentrated HNO3 to

decompose cyanide or sulphide of sodium

extract halogen from organic compound

Salt Analysis — JEE Main Previous Year Questions

44 solved PYQs · 2017–2026 · Chemistry

Solved PYQs: 44
Years covered: 2017–2026
Avg / year: ~6
Subject: Chemistry

How many JEE Main questions come from Salt Analysis?

Salt Analysis has contributed 44 questions to Joint Entrance Examination (Main) papers between 2017 and 2026 — an average of about 6 questions a year. That count is measured from EByAi’s bank of 55,289 JEE Main questions, not estimated from a syllabus. Every one of the 44 questions carries a written, step-by-step solution, and each is tagged to Salt Analysis within Chemistry, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Salt Analysis questions from real JEE Main papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 44 Salt Analysis questions (with full written solutions) are available in practice.

Question 1 · JEE Main 2025
Given below are two statements : Statement (I) : Nitrogen, sulphur, halogen and phosphorus present in an organic compound are detected by Lassaigne's Test. Statement (II) : The elements present in the compound are converted from covalent form into ionic form by fusing the compound with Magnesium in Lassaigne's test. In the light of the above statements, choose the correct answer from the options given below :
1. (A) $Both Statement I and Statement II are false$
2. (B) $Statement I is true but Statement II is false$
3. (C) $Statement I is false but Statement II is true$
4. (D) $Both Statement I and Statement II are true$
Show answerAnswer
$Answer: (B) Statement I is true but Statement II is false$
Question 2 · JEE Main 2024
In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :
1. (A) $decrease concentration of^{-} OH ions$
2. (B) $increase concentration of Cl^{-} ions$
3. (C) $prevent interference by phosphate ions$
4. (D) $increase concentration of NH_{4}^{+} ions$
Show answerAnswer
$Answer: (A) decrease concentration of^{-} OH ions$
Question 3 · JEE Main 2023
In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group IV in qualitative inorganic analysis?
1. (A) $Co 2+$
2. (B) $Ni 2+$
3. (C) $Zn 2+$
4. (D) $Fe 3+$
Show answerAnswer
$Answer: (D) Fe 3+$
Question 4 · JEE Main 2022
During halogen test, sodium fusion extract is boiled with concentrated HNO3 to
1. (A) $remove unreacted sodium$
2. (B) $decompose cyanide or sulphide of sodium$
3. (C) $extract halogen from organic compound$
4. (D) $maintain the pH of extract.$
Show answerAnswer
$Answer: (B) decompose cyanide or sulphide of sodium$
Question 5 · JEE Main 2022
In the flame test of a mixture of salts, a green flame with blue centre was observed. Which one of the following cations may be present?
1. (A) $Cu 2+$
2. (B) $Sr 2+$
3. (C) $Ba 2+$
4. (D) $Ca 2+$
Show answerAnswer
$Answer: (A) Cu 2+$

Salt Analysis questions by year

Year	Questions	Share of chapter questions
2026	5
2025	12
2024	9
2023	6
2022	5
2021	4
2020	2
2017	1

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FAQs

How many JEE Main questions have been asked from Salt Analysis?

EByAi's bank holds 44 real JEE Main questions from Salt Analysis, asked between 2017 and 2026 — about 6 per year on average. Every count is measured from actual papers, not estimated.

Is Salt Analysis important for JEE Main?

44 questions over 8 papers make Salt Analysis a steady-weightage chapter in JEE Main Chemistry. The year-wise table above shows exactly how often it appears.

Can I solve Salt Analysis PYQs online for free?

Yes. EByAi lets you solve JEE Main past-year questions in the browser with written solutions — free daily practice, no card needed.

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