JEE Main Chemistry Previous Year Questions 2024 (2024–2024)

240 JEE Main Chemistry previous-year questions spanning 2024–2024.

Chemistry 2024 · Biomolecules

If one strand of a DNA has the sequence ATGCTTCA, sequence of the bases in complementary strand is:

Chemistry 2024 · Haloalkanes and Haloarenes

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Haloalkanes react with $KCN$ to form alkyl cyanides as a main product while with $AgCN$ form isocyanide as the main product. Reason (R) : $KCN$ and $AgCN$ both are highly ionic compounds. In the light of the above statement, choose the most appropriate answer from the options given below:

Chemistry 2024 · The d-and f-Block Elements

In acidic medium, $K_2Cr_2O_7$ shows oxidising action as represented in the half reaction $$Cr_2O_7^{2-} + XH^+ + Ye^- \rightarrow 2A + ZH_2O$$ X, Y, Z and A are respectively are:

Chemistry 2024 · Redox Reactions

Which of the following reactions are disproportionation reactions? (A) $Cu^+ \rightarrow Cu^{2+} + Cu$ (B) $3MnO_4^{2-} + 4H^+ \rightarrow 2MnO_4^- + MnO_2 + 2H_2O$ (C) $2KMnO_4 \rightarrow K_2MnO_4 + MnO_2 + O_2$ (D) $2MnO_4^- + 3Mn^{2+} + 2H_2O \rightarrow 5MnO_2 + 4H^+$ Choose the correct answer from the options given below:

Chemistry 2024 · Classification of Elements and Periodicity in Properties

In case of isoelectronic species the size of $F^-$, $Ne$ and $Na^+$ is affected by:

Chemistry 2024 · Structure of Atom

According to the wave-particle duality of matter by de-Broglie, which of the following graph plot presents most appropriate relationship between wavelength of electron ($\lambda$) and momentum of electron ($p$)?

Chemistry 2024 · Coordination Compounds

Given below are two statements: Statement (I): A solution of $[Ni(H_2O)_6]^{2+}$ is green in colour. Statement (II): A solution of $[Ni(CN)_4]^{2-}$ is colourless. In the light of the above statements, choose the most appropriate answer from the options given below:

Chemistry 2024 · The p-Block Elements

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : $PH_3$ has lower boiling point than $NH_3$. Reason (R): In liquid state $NH_3$ molecules are associated through vander waal's forces, but $PH_3$ molecules are associated through hydrogen bonding. In the light of the above statements, choose the most appropriate answer from the options given below:

Chemistry 2024 · Aldehydes, Ketones and Carboxylic Acids

Identify A and B in the following sequence of reaction {{IMG1}}

Chemistry 2024 · Amines

Given below are two statements: Statement (I) : Aminobenzene and aniline are same organic compounds. Statement (II) : Aminobenzene and aniline are different organic compounds. In the light of the above statements, choose the most appropriate answer from the options given below:

Chemistry 2024 · Coordination Compounds

Which of the following complex is homoleptic?

Chemistry 2024 · Alcohols, Phenols and Ethers

Which of the following compound will most easily be attacked by an electrophile?

Chemistry 2024 · Organic Chemistry Some Basic Principles and Techniques

Ionic reactions with organic compounds proceed through: (A) Homolytic bond cleavage (B) Heterolytic bond cleavage (C) Free radical formation (D) Primary free radical (E) Secondary free radical Choose the correct answer from the options given below:

Chemistry 2024 · Chemical Bonding and Molecular Structure

Arrange the bonds in order of increasing ionic character in the molecules. $LiF$, $K_2O$, $N_2$, $SO_2$ and $ClF_3$.

Chemistry 2024 · Solutions

We have three aqueous solutions of $NaCl$ labelled as 'A', 'B' and 'C' with concentration $0.1 \mathrm{~M}$, $0.01 \mathrm{~M}$ & $0.001 \mathrm{~M}$, respectively. The value of van t’ Hoff factor (i) for these solutions will be in the order.

Chemistry 2024 · Organic Chemistry Some Basic Principles and Techniques

In Kjeldahl's method for estimation of nitrogen, $CuSO_4$ acts as:

Chemistry 2024 · Some Basic Concepts of Chemistry

Given below are two statements : Statement (I): Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution. Statement (II) : In this titration phenolphthalein can be used as indicator. In the light of the above statements, choose the most appropriate answer from the options given below:

Chemistry 2024 · Aldehydes, Ketones and Carboxylic Acids

Match List - I with List - II. <div style="overflow-x: auto; margin: 1rem 0;"><table style="width: 100%; border-collapse: collapse; text-align: left; font-size: 14px;"><thead><tr><th style="border: 1px solid #888; padding: 8px;">List - I (Reactions)</th><th style="border: 1px solid #888; padding: 8px;">List - II (Reagents)</th></tr></thead><tbody><tr><td style="border: 1px solid #888; padding: 8px;">(A) $CH_3(CH_2)_5-CO-OC_2H_5 \rightarrow CH_3(CH_2)_5CHO$</td><td style="border: 1px solid #888; padding: 8px;">(I) $CH_3MgBr, H_2O$</td></tr><tr><td style="border: 1px solid #888; padding: 8px;">

Chemistry 2024 · Thermodynamics

Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following:

Chemistry 2024 · Amines

Given below are two statements: Statement (I): The $NH_2$ group in Aniline is ortho and para directing and a powerful activating group. Statement (II): Aniline does not undergo Friedel-Craft's reaction (alkylation and acylation). In the light of the above statements, choose the most appropriate answer from the options given below:
Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)
YOUR FIRST PREP STEP STARTS HERE

We Map Every Repeating Question in Competitive Exams.

Say goodbye to generic mock test fatigue. RankBit uses smart analysis to group past exam questions into their foundational Repeating Question Types. Find chapter weightage, track repeating questions, and score higher with targeted practice.

Select Your Target Exam

Choose an exam track below to find formulas per chapter and patterns.

Syncing Exam Intelligence

Mapping formulas and patterns across all tracks…

PATH A — FULL LENGTH PRACTICE

Full Mock Test Hub

Simulate real NTA exam conditions with fully tracked mocks. Time yourself against past papers.

Now Live Open
PATH B — TARGETED PRACTICE

Topic-wise Practice Hub

Practice past-year questions one chapter at a time. Pick an exam → subject → chapter and get every PYQ for that topic — pulled together from all past papers — with the chapter's key formulas alongside.

Loading Questions... Browse Topics

Exam Analysis Tools

Chapter weightage trends and topic-wise practice — all mapped from past shift papers.

Year-wise PYQ

Chapter Weightage & Trends

See high-yield chapters, year-wise counts and the frequency-based chance each topic repeats next exam.

Weightage Board Open
Targeted PYQs

Topic-wise Practice Hub

Every past-year question for a chapter pulled from all papers, with its key formulas alongside.

One chapter at a time Open
Latest from the Blog
View all →

Loading articles...