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JEE Main 2025 28th January Morning Shift

Browse the complete Chemistry, Mathematics, and Physics question set from the JEE Main 2025 28th January Morning Shift paper, question by question. Each question shows a quick preview so you can jump straight to the topic or subject you want to revise. Click through to attempt the full question in practice mode, or head back to the paper-wise list to download the entire shift as a PDF.

This paper has 75 questions in total - 12 easy (16%), 42 moderate (56%) and 21 tough (28%). That's a fairly typical mix for this exam. By subject: Physics 24% easy, 44% moderate, 32% tough; Chemistry 20% easy, 52% moderate, 28% tough; Mathematics 4% easy, 72% moderate, 24% tough.

Chemistry questions were spread across 18 chapters, with Haloalkanes and Haloarenes (3), Aldehydes and Ketones (2), and Redox Reactions (2) carrying the most weight. Mathematics questions were spread across 20 chapters, with Definite Integration (2), Functions (2), and Probability (2) carrying the most weight. Physics questions were spread across 19 chapters, with Current Electricity (2), Electrostatics (2), and Mechanical Properties of Fluids (2) carrying the most weight.

Chemistry

  1. 1Given below are two statements: Statement I : D-glucose pentaacetate reacts with 2, 4-dinitrophenylhydrazine Statement II : Starch, on heati28 Jan, 2025 (M)Preparation and Reactions of Glucose
  2. 2Both acetaldehyde and acetone (individually) undergo which of the following reactions? A. Iodoform Reaction B. Cannizaro Reaction C. Aldol C28 Jan, 2025 (M)Chemical reactions for aldehydes and ketones
  3. 3Which of the following oxidation reactions are carried out by both and in acidic medium? A. B. C. D. E. Choose the correct answer from the o28 Jan, 2025 (M)Compounds of Transition Metals
  4. 4A molecule (" P ") on treatment with acid undergoes rearrangement and gives ("Q"). ("Q") on ozonolysis followed by reflux under alkaline con28 Jan, 2025 (M)Method of preparation for both aldehydes and ketones
  5. 5The correct order of stability of following carbocations is :28 Jan, 2025 (M)Electron displacement effects
  6. 6The products and in the following reactions, respectively are28 Jan, 2025 (M)Preparation and Properties of Monohalides
  7. 7In a multielectron atom, which of the following orbitals described by three quantum numbers will have same energy in absence of electric and28 Jan, 2025 (M)Quantum mechanical model
  8. 8A weak acid HA has degree of dissociation x . Which option gives the correct expression of ( pH )?28 Jan, 2025 (M)Ionic Product of Water
  9. 9The molecules having square pyramidal geometry are28 Jan, 2025 (M)Hybridisation and VSEPR Theory
  10. 10Consider the following elements and Ge . The most stable oxidation states of elements with highest and lowest first ionisation enthalpies, r28 Jan, 2025 (M)Aluminium and Its Compounds
  11. 11For a given reaction is related to as given in table. Given: Which of the following is true? A. The order of the reaction is . B. If is 1 M 28 Jan, 2025 (M)Integrated rate laws
  12. 12Match the LIST-I with LIST-II Choose the correct answer from the options given below:28 Jan, 2025 (M)Types of redox reactions
  13. 13Given below are two statements: Statement I: In the oxalic acid vs (in the presence of dil ) titration the solution needs to be heated initi28 Jan, 2025 (M)Redox titration
  14. 14The metal ion whose electronic configuration is not affected by the nature of the ligand and which gives a violet colour in non-luminous fla28 Jan, 2025 (M)Crystal Field Theory
  15. 15The compounds that produce with aqueous solution are: A. B. C. D. E. Choose the correct answer from the options given below:28 Jan, 2025 (M)Reaction Involving Cleavage of –OH Group
  16. 16What is the freezing point depression constant of a solvent, 50 g of which contain 1 g non volatile solute (molar mass ) and the decrease in28 Jan, 2025 (M)Colligative Properties and Abnormal Molecular Masses
  17. 17Given below are two statements: involving lone pair of electrons on nitrogen. In the light of the above statements, choose the most appropri28 Jan, 2025 (M)Preparation and Properties of Monohalides
  18. 18Ice and water are placed in a closed container at a pressure of 1 atm and temperature 273.15 K . If pressure of the system is increased 2 ti28 Jan, 2025 (M)System and surrounding
  19. 19The incorrect decreasing order of atomic radii is28 Jan, 2025 (M)Periodic properties
  20. 20Consider ' ' is the number of lone pair of electrons present in the equatorial position of the most stable structure of . The ions from the 28 Jan, 2025 (M)Properties of D-block elements
  21. 21The formation enthalpies, for and are 220.0 and , respectively, at 298.15 K , and for is at the same temperature. The average bond enthalpy 28 Jan, 2025 (M)Laws of Thermochemistry and Enthalpy Change
  22. 22The molarity of a (mass mass) aqueous solution of a monobasic acid is __________ M(Nearest integer) [Given: Density of aqueous solution of (28 Jan, 2025 (M)Concentration terms
  23. 23Consider the following sequence of reactions: 11.25 mg of chlorobenzene will produce __________ of product B . (Consider the reactions resul28 Jan, 2025 (M)Preparation and Properties of Aryl Halides
  24. 24Quantitative analysis of an organic compound (X) shows following % composition. C : Cl : 64.46% H: 1.8 % (Empirical formula mass of the comp28 Jan, 2025 (M)Quantitative measures in chemical equations
  25. 25Given below is the plot of the molar conductivity vs for KCl in aqueous solution. If, for the higher concentration of KCl solution, the resi28 Jan, 2025 (M)Conductance and Conductivity

Mathematics

  1. 1Let be the origin, the point be , the point be such that and . Then28 Jan, 2025 (M)Conjugate, modulus and argument
  2. 2Let be a function defined by , then the value of is28 Jan, 2025 (M)Defintion of Function
  3. 3Let be a trapezium whose vertices lie on the parabola . Let the sides and of the trapezium be parallel to y -axis. If the diagonal AC is of 28 Jan, 2025 (M)Chord of parabola
  4. 4The sum of all local minimum values of the function is28 Jan, 2025 (M)Maxima Minima
  5. 5Let and . Let and be the vertices of a triangle , where is a parameter. If , is the locus of the centroid of triangle ABC , then equals28 Jan, 2025 (M)Coordinate System
  6. 6Let the equation of the circle, which touches -axis at the point and cuts off an intercept of length on -axis be . If the circle lies below 28 Jan, 2025 (M)Equation of Circle & its intercept
  7. 7If , then is equal to28 Jan, 2025 (M)Defintion of Function
  8. 8Two number and are randomly chosen from the set of natural numbers. Then, the probability that the value of is non-zero, equals28 Jan, 2025 (M)Classical Definition of Probability
  9. 9If the image of the point in the line is , then is equal to28 Jan, 2025 (M)Line in Space
  10. 10is equal to:28 Jan, 2025 (M)Sum and difference of angles
  11. 11Let be a point in -plane, which is equidistant from three points and ( ). Let and . Then among the statements (S1) : is an isosceles right a28 Jan, 2025 (M)Basics of point in 3 dimension
  12. 12The area (in sq. units) of the region is28 Jan, 2025 (M)Area bounded by two curves
  13. 13The sum, of the squares of all the roots of the equation , is28 Jan, 2025 (M)Relation between Roots and Coefficients
  14. 14Let be the term of an A.P. If for some , and , then is equal to28 Jan, 2025 (M)Arithmetic Progression
  15. 15Three defective oranges are accidently mixed with seven good ones and on looking at them, it is not possible to differentiate between them. 28 Jan, 2025 (M)Random Variable and its Probability Distribution
  16. 16Let for some function and . Then is equal to28 Jan, 2025 (M)Leibnitz Rule of Differentiation
  17. 17If , then equals28 Jan, 2025 (M)Properties of Definite Integration
  18. 18Let be a sequence such that and . Then is equal to28 Jan, 2025 (M)Summation of Series
  19. 19The number of different 5 digit numbers greater than 50000 that can be formed using the digits 0 , , such that the sum of their first and la28 Jan, 2025 (M)Permutation
  20. 20The relation and is even is:28 Jan, 2025 (M)Questions on Symmetric Transitive and Reflexive Properties
  21. 21Let where [.] denotes greatest integer function. If and are the number of points, where f is not continuous and is not differentiable, respe28 Jan, 2025 (M)Differentiability
  22. 22Let M denote the set of all real matrices of order and let . Let If , then equals _______28 Jan, 2025 (M)Basic Algebra of Matrices
  23. 23If , then the distance of the point from the line is _________.28 Jan, 2025 (M)Sum of Series
  24. 24Let be an ellipse. Ellipses 's are constructed such that their centres and eccentricities are same as that of , and the length of minor axis28 Jan, 2025 (M)Equation of Ellipse
  25. 25Let and . If is a vector such that , and the angle between and is , then is equal to28 Jan, 2025 (M)Product of 2 vectors

Physics

  1. 1Three infinitely long wires with linear charge density are placed along the -axis and axis respectively. Which of the following denotes an e28 Jan, 2025 (M)Electric Potential and Potential Energy
  2. 2Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason Assertion A: A sound wave has higher spee28 Jan, 2025 (M)Speed of Sound Waves
  3. 3Two capacitors and are connected in parallel to a battery. Charge-time graph is shown below for the two capacitors. The energy stored with t28 Jan, 2025 (M)Capacitance
  4. 4A thin prism with angle made of glass having refractive index 1.54 , is combined with another thin prism made of glass having refractive ind28 Jan, 2025 (M)Prism and Dispersion of Light
  5. 5A particle of mass ' ' and charge ' ' is fastened to one end ' ' of a massless string having equilibrium length , whose other end is fixed a28 Jan, 2025 (M)Electric Field and Electric Field Lines
  6. 6Given below are two statements: one is labelled as Assertion and the other is labelled as Reason Assertion A: In a central force field, the 28 Jan, 2025 (M)Energy
  7. 7Choose the correct nuclear process from the below options [p: proton, n : neutron, : electron, : positron, neutrino, : antineutrino]28 Jan, 2025 (M)Nuclear structure
  8. 8A hemispherical vessel is completely filled with a liquid of refractive index . A small coin is kept at the lowest point of the vessel as sh28 Jan, 2025 (M)Lens Formula, Refraction of light from curved surface
  9. 9A Carnot engine is working between two temperatures 473 K and 273 K . In a new system two engines - engine works between 473 K to 373 K and 28 Jan, 2025 (M)Heat Engine, Refrigerator and Second Law of Thermodynamics
  10. 10Consider a long thin conducting wire carrying a uniform current I. A particle having mass " M " and charge " " is released at a distance " "28 Jan, 2025 (M)Motion of Charged Particle in Magnetic Field
  11. 11A wire of resistance R is bent into an equilateral triangle and an identical wire is bent into square. The ratio of resistance between the t28 Jan, 2025 (M)Combination of Resistances
  12. 12In the experiment for measurement of viscosity ' ' of given liquid with a ball having radius , consider following statements. A. Graph betwe28 Jan, 2025 (M)Viscosity
  13. 13Due to presence of an em-wave whose electric component is given by , a cylinder of length 200 cm holds certain amount of em-energy inside it28 Jan, 2025 (M)Electromagnetic Waves and Maxwell's equations
  14. 14A bead of mass ' ' slides without friction on the wall of a vertical circular hoop of radius ' ' as shown in figure. The bead moves under th28 Jan, 2025 (M)Energy
  15. 15Find the equivalent resistance between two ends of the following circuit28 Jan, 2025 (M)Combination of Resistances
  16. 16Consider following statements: A. Surface tension arises due to extra energy of the molecules at the interior as compared to the molecules a28 Jan, 2025 (M)Viscosity
  17. 17The center of mass of a thin rectangular plate (fig - x ) with sides of length and , whose mass per unit area varies as (where is a constant28 Jan, 2025 (M)Centre of mass of discrete particles
  18. 18Which of the following circuits has the same outpur as that of the given circuit?28 Jan, 2025 (M)Logic gates
  19. 19For a particular ideal gas which of the following graphs represents the variation of mean squared velocity of the gas molecules with tempera28 Jan, 2025 (M)Speed of Gas
  20. 20A proton of mass ' ' has same energy as that of a photon of wavelength ' '. If the proton is moving at non-relativistic speed, then ratio of28 Jan, 2025 (M)Matter Waves
  21. 21A double slit interference experiment performed with a light of wavelength 600 nm forms an interference fringe pattern on a screen with 10 t28 Jan, 2025 (M)Youngs Double Slit Experiment
  22. 22In a measurement, it is asked to find modulus of elasticity per unit torque applied on the system. The measured quantity has dimension of . 28 Jan, 2025 (M)Dimensions
  23. 23A tiny metallic rectangular sheet has length and breadth of 5 mm and 2.5 mm , respectively. Using a specially designed screw gauge which has28 Jan, 2025 (M)Experimental Physics
  24. 24Two iron solid discs of negligible thickness have radii and and moment of intertia and , respectively. For , the ratio of and would be , whe28 Jan, 2025 (M)Moment of inertia of rigid bodies
  25. 25The moment of inertia of a solid disc rotating along its diameter is 2.5 times higher than the moment of inertia of a ring rotating in simil28 Jan, 2025 (M)Moment of inertia of rigid bodies

Frequently Asked Questions

1.How many questions are in the JEE Main 2025 28th January Morning Shift paper?

This paper has 75 questions in total - 25 each from Chemistry, Mathematics, and Physics.

2.Can I practise questions from just one subject?

Yes. Use the Chemistry, Mathematics, and Physics tabs at the top of the page to jump directly to that subject's question set within this shift.

3.Is this the same paper for all students who appeared in the morning shift?

JEE Main uses different question sets across shifts and sessions to maintain exam integrity, so this page reflects the specific paper administered in the 28th January 2025 morning shift.

4.Where can I find the evening shift paper for the same date?

The JEE Main 2025 28th January Evening Shift paper is listed separately - you can switch to it from the "JEE Main Paper Wise PYQs" panel, under JEE Main 28th January 2025.

5.How is the JEE Main 2025 28th January Morning Shift paper structured?

The JEE Main 2025 28th January Morning Shift paper on MARKS has 75 questions, organised by subject:

  • Chemistry: 25 questions - 20 single-correct and 5 numerical-value.
  • Mathematics: 25 questions - 20 single-correct and 5 numerical-value.
  • Physics: 25 questions - 20 single-correct and 5 numerical-value.
6.How difficult is the JEE Main 2025 28th January Morning Shift paper?

Each question on MARKS carries a difficulty rating. Of the 75 rated questions in this paper, 12 (16%) are easy, 42 (56%) are medium and 21 (28%) are hard. Subject wise:

  • Chemistry: 5 easy, 13 medium, 7 hard
  • Mathematics: 1 easy, 18 medium, 6 hard
  • Physics: 6 easy, 11 medium, 8 hard
7.Which chapters were asked the most in the JEE Main 2025 28th January Morning Shift paper?

The chapters with the most questions in each subject were:

  • Chemistry: Haloalkanes and Haloarenes (3), Aldehydes and Ketones (2), and d and f Block Elements (2).
  • Mathematics: Definite Integration (2), Functions (2), and Probability (2).
  • Physics: Current Electricity (2), Electrostatics (2), and Mechanical Properties of Fluids (2).
8.Where can I find the solutions for the JEE Main 2025 28th January Morning Shift paper?

Open any question on this page. Its page shows the correct answer and, where one is available, the worked solution. A downloadable PDF of the whole shift is coming soon.

9.How should I use the JEE Main 2025 28th January Morning Shift paper to check my preparation?

Set a timer, attempt the 75 questions as you would in the exam, and only then open the answers. Note which subjects and chapters cost you the most marks, and revise those first using the chapter-wise practice for JEE Main. Repeating this with other papers shows whether the same weak spots keep coming back.

10.Will the JEE Main 2025 28th January Morning Shift paper help me prepare for JEE Main 2027?

Yes. Every past paper shows the question styles and topics JEE Main has asked before, and a solved paper gives you a realistic benchmark for speed and accuracy. Use it along with the other papers to spot the chapters that keep returning.