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JEE Main 2026 21st January Evening Shift

Browse the complete Chemistry, Mathematics, and Physics question set from the JEE Main 2026 21st January Evening 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 - 7 easy (9%), 57 moderate (76%) and 11 tough (15%). That's a fairly typical mix for this exam. By subject: Chemistry 8% easy, 84% moderate, 8% tough; Physics 16% easy, 80% moderate, 4% tough; Mathematics 4% easy, 64% moderate, 32% tough.

Chemistry questions were spread across 17 chapters, with General Organic Chemistry (3), Chemical Bonding and Molecular Structure (2), and Coordination Compounds (2) carrying the most weight. Mathematics questions were spread across 21 chapters, with Parabola (2), Sequences and Series (2), and Sets and Relations (2) carrying the most weight. Physics questions were spread across 19 chapters, with Current Electricity (3), Mechanical Properties of Fluids (3), and Rotational Motion (2) carrying the most weight.

Chemistry

  1. 1Given below are two statements: Statement I : The correct order in terms of bond dissociation enthalpy is . Statement II : The correct trend21 Jan, 2026 (E)Polarization
  2. 2The correct statements are : A. Activation energy for enzyme catalysed hydrolysis of sucrose is lower than that of acid catalysed hydrolysis21 Jan, 2026 (E)Proteins
  3. 3Consider the following spectral lines for atomic hydrogen : A. First line of Paschen series B. Second line of Balmer series C. Third line of21 Jan, 2026 (E)Hydrogen spectrum
  4. 4By usual analysis, 1.00 g of compound gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compound is : (nearest integer21 Jan, 2026 (E)Method of preparation for Aldehydes
  5. 5Match List - I with List - II. Choose the correct answer from the options given below :21 Jan, 2026 (E)Isomerism of Organic Compounds
  6. 6Decomposition of A is a first order reaction at and is given by . In a closed 1 L vessel, 1 bar is allowed to decompose at . After 100 minut21 Jan, 2026 (E)Integrated rate laws
  7. 7The correct increasing order of and bonds in terms of covalent bond length is:21 Jan, 2026 (E)Covalent and Co-ordinate Bonding
  8. 8Match List - I with List - II. Choose the correct answer from the options given below :21 Jan, 2026 (E)Method of preparation for Aldehydes
  9. 9Given below are some of the statements about Mn and . Identify the correct statements. A. Mn forms the oxide , in which Mn is in its highest21 Jan, 2026 (E)Properties of D-block elements
  10. 10Given below are two statements : Statement I : Crystal Field Stabilization Energy (CFSE) of is greater than that of . Statement II : Potassi21 Jan, 2026 (E)Crystal Field Theory
  11. 11The correct order of the rate of the reaction for the following reaction with respect to nucleophiles is :21 Jan, 2026 (E)Preparation and Properties of Monohalides
  12. 12Consider the above sequence of reactions. The number of bromine atom(s) in the final product (P) will be :21 Jan, 2026 (E)Preparation and Properties of Amines
  13. 13Consider the following data: (methane, g Enthalpy of sublimation of graphite Dissociation enthalpy of The bond enthalpy of bond is given by 21 Jan, 2026 (E)Laws of Thermochemistry and Enthalpy Change
  14. 14Given below are two statements : Statement I : The correct order in terms of atomic/ionic radii is . Statement II : The correct order in ter21 Jan, 2026 (E)Periodic properties
  15. 15Aqueous HCl reacts with to form and . What is the weight (in g) of liberated when 8.7 g of is reacted with excess aqueous HCl solution? (Giv21 Jan, 2026 (E)Quantitative measures in chemical equations
  16. 16Given below are four compounds : (a) n-propyl chloride (b) iso-propyl chloride (c) sec-butyl chloride (d) neo-pentyl chloride Percentage of 21 Jan, 2026 (E)Isomerism of Organic Compounds
  17. 17For a closed circuit Daniell cell, which of the following plots is the accurate one at a given temperature?21 Jan, 2026 (E)Cells and Electrode Potential, Nernst Equation
  18. 18The correct order of reactivity of the following benzyl halides towards reaction with KCN is :21 Jan, 2026 (E)Preparation and Properties of Monohalides
  19. 19On heating a mixture of common salt and in equal amount along with concentrated in a test tube, a gas is evolved. Formula of the gas evolved21 Jan, 2026 (E)Compounds of Transition Metals
  20. 20Given below are two statements : Statement I : Compound , shown below, dissolves in solution and has two chiral carbon atoms Statement II : 21 Jan, 2026 (E)Isomerism of Organic Compounds
  21. 21MX is a sparingly soluble salt that follows the given solubility equilibrium at 298 K. If the standard reduction potential for is , then the21 Jan, 2026 (E)Cells and Electrode Potential, Nernst Equation
  22. 22A substance ' X ' (1.5 g) dissolved in 150 g of a solvent ' Y ' (molar mass ) led to an elevation of the boiling point by 0.5 K. The relativ21 Jan, 2026 (E)Colligative Properties and Abnormal Molecular Masses
  23. 23The first and second ionization constants of are and respectively. The concentration of in solution is . (Nearest Integer)21 Jan, 2026 (E)PH of solutions
  24. 24Identify the metal ions among and having a spin-only magnetic moment value more than 3.0 BM. The sum of unpaired electrons present in the hi21 Jan, 2026 (E)Crystal Field Theory
  25. 25The osmotic pressure of a living cell is 12 atm at 300 K. The strength of sodium chloride solution that is isotonic with the living cell at 21 Jan, 2026 (E)Colligative Properties and Abnormal Molecular Masses

Mathematics

  1. 1Let be the parabola with its vertex at O. Let P be a point on the parabola and A be a point on the -axis such that . Then the locus of the c21 Jan, 2026 (E)Locus
  2. 2Let and . Then21 Jan, 2026 (E)Questions on Venn Diagram
  3. 3The largest , for which divides 101!, is :21 Jan, 2026 (E)Factorial
  4. 4Let be a twice differentiable function such that for all and , where is a real number. Let g (0, { }{4} ) g ( { }{4}, { }{2} )$. Then,21 Jan, 2026 (E)Monotonicity
  5. 5Let be the solution of the differential equation , . Then is equal to :21 Jan, 2026 (E)Linear Differential Equation
  6. 6The positive integer n, for which the solutions of the equation are two consecutive even integers, is :21 Jan, 2026 (E)Summation of Series
  7. 7Let be the complex number satisfying and having maximum positive principal argument. Then is equal to :21 Jan, 2026 (E)Conjugate, modulus and argument
  8. 8Let the line pass through the point and make equal angles with the positive coordinate axes. If the distance of L from the point is , then t21 Jan, 2026 (E)Line in Space
  9. 9Let and be the roots of the equation such that . Then the set of all possible values of is :21 Jan, 2026 (E)Location of Roots
  10. 10If the system of equations has no solution, then the value of is equal to :21 Jan, 2026 (E)System of Linear Equations
  11. 11A random variable takes values with probabilities respectively, where . Let and respectively be the mean and standard deviation of X such th21 Jan, 2026 (E)Random Variable and its Probability Distribution
  12. 12Let the line be parallel to the vector and pass through the point (2,6,7), and the line be parallel to the vector and pass through the point21 Jan, 2026 (E)Line in Space
  13. 13Let . Let R be the relation on A defined by if and only if . Let be the number of elements in R, and m be the minimum number of elements req21 Jan, 2026 (E)Questions on Symmetric Transitive and Reflexive Properties
  14. 14Let . Then the value of is:21 Jan, 2026 (E)Functional Equation
  15. 15For a triangle ABC, let and . If and , where is the angle between and , then is equal to :21 Jan, 2026 (E)Product of 2 vectors
  16. 16Let be a G.P. of common ratio . If , then is equal to :21 Jan, 2026 (E)Geometric Progression
  17. 17Let one end of a focal chord of the parabola be . If divides this focal chord internally in the ratio , then the minimum value of is equal t21 Jan, 2026 (E)Chord of parabola
  18. 18If the area of the region is , then the value of is :21 Jan, 2026 (E)Area bounded by two curves
  19. 19For the matrices and , if , then among the following which one is true?21 Jan, 2026 (E)Product of Matrices
  20. 20If the line , where , touches the ellipse at the point P in the first quadrant, then one of the focal distances of is :21 Jan, 2026 (E)Equation of Ellipse
  21. 21If P is a point on the circle is a point on the straight line and is the perpendicular bisector of PQ, then 13 times the sum of abscissa of 21 Jan, 2026 (E)Equation of Circle & its intercept
  22. 22If , where , then is equal to .21 Jan, 2026 (E)Definite Integration by Substitution
  23. 23Let the maximum value of for be , where . Then is equal to .21 Jan, 2026 (E)Sum of complementary angles
  24. 24Let denote the greatest integer function and . Then is equal to .21 Jan, 2026 (E)Miscellaneous
  25. 25If , then is equal to .21 Jan, 2026 (E)Properties of Binomial Coefficients

Physics

  1. 1Two known resistances of and and one unknown resistance are connected in a circuit as shown in the figure. If the equivalent resistance betw21 Jan, 2026 (E)Combination of Resistances
  2. 2The total length of potentiometer wire AB is 50 cm in the arrangement as shown in figure. If is the point where the galvanometer shows zero 21 Jan, 2026 (E)Electric Instruments
  3. 3Given below are two statements : Statement I : In a Young's double slit experiment, the angular separation of fringes will increase as the s21 Jan, 2026 (E)Youngs Double Slit Experiment
  4. 4A body of mass 2 kg is moving along -direction such that its displacement as function of time is given by , where and . The work done on the21 Jan, 2026 (E)Energy
  5. 5The r.m.s. speed of oxygen molecules at is equal to that of the hydrogen molecules kept at . (Mass of oxygen molecule/mass of hydrogen molec21 Jan, 2026 (E)Speed of Gas
  6. 6A spherical body of radius and density falls freely through a viscous liquid having density and viscosity and attains a terminal velocity . 21 Jan, 2026 (E)Viscosity
  7. 7A river of width 200 m is flowing from west to east with a speed of . A boat, moving with speed of in still water, is made to travel one-rou21 Jan, 2026 (E)Relative motion
  8. 8The pulley shown in figure is made using a thin rim and two rods of length equal to diameter of the rim. The rim and each rod have a mass of21 Jan, 2026 (E)Moment of inertia of rigid bodies
  9. 9As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface. If refrac21 Jan, 2026 (E)Prism and Dispersion of Light
  10. 10An infinitely long straight wire carrying current is bent in a planer shape as shown in the diagram. The radius of the circular part is . Th21 Jan, 2026 (E)Magnetic Field
  11. 11The energy of an electron in an orbit of the Bohr's atom is where is the ground state energy. If is the angular momentum of the electron in 21 Jan, 2026 (E)Bohr's Atomic Model
  12. 12The charge stored by the capacitor in the given circuit in the steady state is .21 Jan, 2026 (E)Capacitance
  13. 13A battery with EMF and internal resistance is connected across a resistance . The power consumption in will be maximum when :21 Jan, 2026 (E)Electric Instruments
  14. 14The kinetic energy of a simple harmonic oscillator is oscillating with angular frequency of . The frequency of this simple harmonic oscillat21 Jan, 2026 (E)Energy of Simple Harmonic Motion
  15. 15A capacitor is first charged fully with potential difference of and disconnected from the battery. The charged capacitor is connected across21 Jan, 2026 (E)AC Circuits
  16. 16Keeping the significant figures in view, the sum of the physical quantities and 0.123 m is :21 Jan, 2026 (E)Units
  17. 17Consider two identical metallic spheres of radius each having charge and mass . Their centers have an initial separation of . Both the spher21 Jan, 2026 (E)Electric Potential and Potential Energy
  18. 18A large drum having radius is spinning around its axis with angular velocity , as shown in figure. The minimum value of so that a body of ma21 Jan, 2026 (E)Frictional force
  19. 19Two cars and each of mass are moving on parallel tracks separated by a distance of 10 m, in same direction with speeds and . The magnitude o21 Jan, 2026 (E)Angular momentum and Angular impulse
  20. 20Surface tension of two liquids (having same densities), and , are measured using capillary rise method utilizing two tubes with inner radii 21 Jan, 2026 (E)Surface tension
  21. 21The terminal velocity of a metallic ball of radius 6 mm in a viscous fluid is . The terminal velocity of another ball of same material and h21 Jan, 2026 (E)Viscosity
  22. 22A diatomic gas does 100 J of work when it is expanded isobarically. Then the heat given to the gas J.21 Jan, 2026 (E)Thermodynamic Processes
  23. 23In a Young's double slit experiment set up, the two slits are kept 0.4 mm apart and screen is placed at 1 m from slits. If a thin transparen21 Jan, 2026 (E)Youngs Double Slit Experiment
  24. 24A particle having electric charge and mass is accelerated by applying an electric potential of 1.21 V. Wavelength of the matter wave associa21 Jan, 2026 (E)Matter Waves
  25. 25An electromagnetic wave of frequency 100 MHz propagates through a medium of conductivity, . The ratio of maximum conduction current density 21 Jan, 2026 (E)Electromagnetic Waves and Maxwell's equations

Frequently Asked Questions

1.How many questions are in the JEE Main 2026 21st January Evening 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 evening 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 21st January 2026 evening shift.

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

The JEE Main 2026 21st January Morning Shift paper is listed separately - you can switch to it from the "JEE Main Paper Wise PYQs" panel, under JEE Main 21st January 2026.

5.How is the JEE Main 2026 21st January Evening Shift paper structured?

The JEE Main 2026 21st January Evening 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 2026 21st January Evening Shift paper?

Each question on MARKS carries a difficulty rating. Of the 75 rated questions in this paper, 7 (9%) are easy, 57 (76%) are medium and 11 (15%) are hard. Subject wise:

  • Chemistry: 2 easy, 21 medium, 2 hard
  • Mathematics: 1 easy, 16 medium, 8 hard
  • Physics: 4 easy, 20 medium, 1 hard
7.Which chapters were asked the most in the JEE Main 2026 21st January Evening Shift paper?

The chapters with the most questions in each subject were:

  • Chemistry: General Organic Chemistry (3), Chemical Bonding and Molecular Structure (2), and Coordination Compounds (2).
  • Mathematics: Parabola (2), Sequences and Series (2), and Sets and Relations (2).
  • Physics: Current Electricity (3), Mechanical Properties of Fluids (3), and Rotational Motion (2).
8.Where can I find the solutions for the JEE Main 2026 21st January Evening 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 2026 21st January Evening 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 2026 21st January Evening 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.