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JEE-ADVANCED SERIES
Chemistry

Qualitative Analysis

13 previous year questions.

Volume: 13 Ques
Yield: Medium

High-Yield Trend

3
2025
9
2024
1
2021

Chapter Questions
13 MCQs

01
PYQ 2021
medium
chemistry ID: jee-adva
A mixture of two salts is used to prepare a solution S, which gives the following results:


The correct option(s) for the salt mixture is(are)
1

Pb(NO3)2 and Zn(NO3)2

2

Pb(NO3)2 and Bi(NO3)2

3

AgNO3 and Bi(NO3)3

4

Pb(NO3)2 and Hg(NO3)2

02
PYQ 2024
medium
chemistry ID: jee-adva

When potassium iodide is added to an aqueous solution of potassium ferricyanide, a reversible reaction is observed in which a complex P is formed. In a strong acidic medium, the equilibrium shifts completely towards P. Addition of zinc chloride to P in a slightly acidic medium results in a sparingly soluble complex Q.
The number of zinc ions present in the molecular formula of is:

03
PYQ 2024
medium
chemistry ID: jee-adva
In the following reaction sequence, the major product is:
04
PYQ 2024
medium
chemistry ID: jee-adva
To form a complete monolayer of acetic acid on 1 g of charcoal, 100 mL of 0.5 M acetic acid was used. Some of the acetic acid remained unadsorbed. To neutralize the unadsorbed acetic acid, 40 mL of 1 M NaOH solution was required. If each molecule of acetic acid occupies surface area on charcoal, the value of is \_\_\_\_\_. \text{[Use given data: Surface area of charcoal} = 1.5 \times 10^{2} \text{ m}^{2}\text{g}^{-1}; \text{Avogadro's number (N}_{\text{A}}) = 6.0 \times 10^{23} \text{mol}^{-1}]
05
PYQ 2024
medium
chemistry ID: jee-adva
The option(s) with the correct sequence of reagents for the conversion of P to Q is (are):
1
i) Lindlar’s catalyst, ; ii) ; iii) ; iv)
2
i) Lindlar’s catalyst, ; ii) ; iii) ; iv)
3
i) ; ii) ; iii) ; iv) Lindlar’s catalyst,
4
i) Lindlar’s catalyst, ; ii) ; iii) ; iv)
06
PYQ 2024
medium
chemistry ID: jee-adva
The compound(s) having peroxide linkage is (are):
1

2

3

4

07
PYQ 2024
medium
chemistry ID: jee-adva
The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are:
1
and
2
and
3
and
4
and
08
PYQ 2024
medium
chemistry ID: jee-adva
Among , , , , , , , and , the total number of species with tetrahedral geometry is:
09
PYQ 2024
medium
chemistry ID: jee-adva
For a double-strand DNA, one strand is given below: The amount of energy required to split the double-strand DNA into two single strands is . kcal mol........ . [Given: Average energy per H-bond for A-T base pair = 1 kcal mol , G-C base pair = 1.5 kcal mol , and A-U base pair = 1.25 kcal mol . Ignore electrostatic repulsion between the phosphate groups]
10
PYQ 2024
hard
chemistry ID: jee-adva
A sample initially contains only U-238 isotope of uranium. With time, some of the U-238 radioactively decays into Pb-206 while the rest remains undisintegrated. When the age of the sample is years, the ratio of the mass of Pb-206 to that of U-238 in the sample is found to be 7. The value of is:
11
PYQ 2025
medium
chemistry ID: jee-adva
During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is converted to
1

2

3

4

12
PYQ 2025
easy
chemistry ID: jee-adva

The correct match of the group reagents in List-I for precipitating the metal ion given in List-II from solutions is:

List-IList-II
(P) Passing H2S in the presence of NH4OH(1) Cu2+
(Q) (NH4)2CO3 in the presence of NH4OH(2) Al3+
(R) NH4OH in the presence of NH4Cl(3) Mn2+
(S) Passing H2S in the presence of dilute HCl(4) Ba2+
(5) Mg2+
1
P → 3; Q → 4; R → 2; S → 1
2
P → 4; Q → 2; R → 3; S → 1
3
P → 3; Q → 4; R → 1; S → 5
4

P → 5; Q → 3; R → 2; S → 4

13
PYQ 2025
medium
chemistry ID: jee-adva

The monomer (X) involved in the synthesis of Nylon 6,6 gives positive carbylamine test. If 10 moles of X are analyzed using Dumas method, the amount (in grams) of nitrogen gas evolved is ____. Use: Atomic mass of N (in amu) = 14

About Qualitative Analysis - JEE-ADVANCED

Qualitative Analysis is a vital chapter for JEE-ADVANCED aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Qualitative Analysis PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Qualitative Analysis carry the most weight. Then, tackle the questions iteratively to solidify your understanding.