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JEE Main 2009

Browse the complete Chemistry, Mathematics, and Physics question set from the JEE Main 2009 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 paper as a PDF.

This paper has 90 questions in total - 29 easy (32%), 46 moderate (51%) and 15 tough (17%). That's a fairly typical mix for this exam. By subject: Physics 30% easy, 53% moderate, 17% tough; Chemistry 43% easy, 47% moderate, 10% tough; Mathematics 23% easy, 53% moderate, 23% tough.

Chemistry questions were spread across 20 chapters, with General Organic Chemistry (4), Alcohols Phenols and Ethers (2), and Classification of Elements and Periodicity in Properties (2) carrying the most weight. Mathematics questions were spread across 23 chapters, with Application of Derivatives (2), Determinants (2), and Functions (2) carrying the most weight. Physics questions were spread across 20 chapters, with Electrostatics (4), Thermodynamics (3), and Magnetic Effects of Current (2) carrying the most weight.

Chemistry

  1. 1Knowing that the Chemistry of lanthanoids is dominated by its oxidation state, which of the following statements in incorrect?2009F-Block elements
  2. 2A liquid was mixed with ethanol and a drop of concentrated was added. A compound with a fruity smell was formed. The liquid was:2009Reaction Involving Cleavage of -OH Group
  3. 3Arrange the carbanions, , in order of their decreasing stability :2009Electron displacement effects
  4. 4The alkene that exhibits geometrical isomerism is:2009Isomerism of Organic Compounds
  5. 5In which of the following arrangements, the sequence is not strictly according to the property written against it ?2009Modern periodic table
  6. 6The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :2009Reactions of Phenol
  7. 7Which of the following statements is incorrect regarding physissorptions ?2009Adsorption
  8. 8Which of the following on heating with aqueous , produces acetaldehyde ?2009Preparation and Properties of Geminal and Vicinal Dihalides
  9. 9In an atom, an electron is moving with a speed of with an accuracy of . Certainity with which the position of the electron can be located is2009Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  10. 10In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is At standard Gibb's energies of formation for 2009Cells and Electrode Potential, Nernst Equation
  11. 11Two liquids and form an ideal solution. At , vapour pressure of the solution containing 1 mol of and of is . At the same temperature, if of 2009Vapour pressure and raoult's law
  12. 12The half life period of a first order chemical reaction is minutes. The time required for the completion of of the chemical reaction will be2009Integrated rate laws
  13. 13Given : . The value of standard electrode potential for the change, will be :2009Cells and Electrode Potential, Nernst Equation
  14. 14On the basis of the following thermochemical data: The value of enthalpy of formation of ion at is:2009Laws of Thermochemistry and Enthalpy Change
  15. 15Copper crystallizes in fcc with a unit cell length of . What is the radius of copper atom ?2009Cubic system
  16. 16Which of the following has an optical isomer ?2009Isomerism of coordination compounds
  17. 17Solid Ba is gradually dissolved in a solution. At what concentration of will a precipitate begin to form ? for .2009Solubility
  18. 18Which one of the following reactions of Xenon compounds is not feasible ?2009Noble Gases
  19. 19Using MO theory predict which of the following species has the shortest bond length ?2009Molecular Orbital Theory
  20. 20In context with the transition elements, which of the following statements is incorrect?2009Properties of D-block elements
  21. 21Calculate the wavelength (in nanometer) associated with a proton moving at (Mass of proton and ):2009Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  22. 22A binary liquid solution is prepared by mixing -heptane and ethanol. Which one of the following statements is correct regarding the behaviou2009Vapour pressure and raoult's law
  23. 23The number of stereoisomers possible for a compound of the molecular formula is :2009Isomerism of Organic Compounds
  24. 24The IUPAC name of neopentane is2009IUPAC Nomenclature
  25. 25The set representing the correct order of ionic radius is :2009Periodic properties
  26. 26The two functional groups present in a typical carbohydrate are :2009Carbohydrates
  27. 27The bond dissociation energy of in is mol whereas that of in is mol . The correct reason for higher B-F bond dissociation energy as compared2009Boron and Its Compounds
  28. 28In Cannizzaro reaction qiven below2009Reactions of Carbonyl Compounds
  29. 29Which of the following pairs represents linkage isomers ?2009Isomerism of coordination compounds
  30. 30Buna-N synthetic rubber is a copolymer of :2009Preparation and Properties of Polymers

Mathematics

  1. 1Let be such that . If , then the value of ' ' is2009Expansion of Determinants
  2. 2If the mean deviation of number from their mean is 255 , then the is equal to2009Mean Square Deviation
  3. 3If the roots of the equation be imaginary, then for all real values of , the expression is2009Relation between Roots and Coefficients
  4. 4Let and denote the statements A: B: If , then2009System of Linear Equations
  5. 5The lines and are perpendicular to a common line for2009Concurrency & Family of Lines
  6. 6If and are three sets such that and , then2009Questions on Venn Diagram
  7. 7If are non-coplanar vectors and are real numbers, then the equality holds for2009Scalar Triple Product
  8. 8Let the line lies in the plane . Then equals2009Line and Plane
  9. 9From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on the shelf so tha2009Selection of one or more item
  10. 10denotes the greatest integer function, is equal to2009Properties of Definite Integration
  11. 11For real , let , then2009Types of Function (Mapping)
  12. 12In a binomial distribution , if the probability of at least one success is greater than or equal to , then is greater than2009Bernoulli Trial and Binomial Distribution
  13. 13If and are the points of intersection of the circles and , then there is a circle passing through and for2009Family of Circle
  14. 14The projections of a vector on the three coordinate axis are respectively. The direction cosines of the vector are2009Direction Cosines and Direction Ratios
  15. 15If , then the maximum value of is equal to2009Algebra of complex numbers
  16. 16Three distinct points A, B and C are given in the 2 - dimensional coordinate plane such that the ratio of the distance of any one of them fr2009Locus
  17. 17The remainder left out when is divided by 9 is2009Remainder and Divisibility Problems
  18. 18The ellipse is inscribed in a rectangle aligned with the coordinate axes, which in turn in inscribed in another ellipse that passes through 2009General Equation of 2nd degree curve
  19. 19The sum to the infinity of the series is2009Summation of Series
  20. 20The differential equation which represents the family of curves , where and are arbitrary constants is2009Formation of Differential Equation
  21. 21One ticket is selected at random from 50 tickets numbered . Then the probability that the sum of the digits on the selected ticket is 8 , gi2009Classical Definition of Probability
  22. 22Let be an implicit function of defined by . Then equals2009Differentiation of implicit functions
  23. 23The area of the region bounded by the parabola , the tangent to the parabola at the point and the -axis is2009Area bounded by two curves
  24. 24Given such that is the only real root of . If , then in the interval2009Maxima Minima
  25. 25The shortest distance between the line and the curve is2009Maxima Minima
  26. 26Let Statement-1: The set Statement-2 : is a bijection.2009Inverse of a Function
  27. 27Let and . Statement-1 : gof is differentiable at and its derivative is continuous at that point. Statement-2 : gof is twice differentiable a2009Differentiability
  28. 28Statement-1 : The variance of first even natural numbers is Statement-2 : The sum of first natural numbers is and the sum of squares of firs2009Measures of Dispersion
  29. 29Statement-1: is equivalent to . Statement-2 : is a tautology.2009Mathematical Reasoning
  30. 30Let A be a matrix Statement-1 Statement-2 :2009Adjoint and its Properties

Physics

  1. 1This question contains Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the t2009Electric Potential and Potential Energy
  2. 2The above is a plot of binding energy per nucleon , against the nuclear mass correspond to different nuclei. Consider four reactions: (i) (i2009Nuclear energy
  3. 3A p-n junction (D) shown in the figure can act as a rectifier. An alternating current source is connected in the circuit.2009Rectifier
  4. 4The logic circuit shown below has the input waveforms 'A' and 'B' as shown. Pick out the correct output waveform.2009Logic gates
  5. 5If and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period , then, wh2009Simple Harmonic Motion
  6. 6In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for each position, the sc2009Lens Formula, Refraction of light from curved surface
  7. 7A thin uniform rod of length and mass is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is . Its2009Rotational kinematics
  8. 8Let be the charge density distribution for a solid sphere of radius and total charge . for a point ' ' inside the sphere at distance from th2009Electric Field and Electric Field Lines
  9. 9The transition from the state to in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transi2009Atomic Spectrum
  10. 10One kg of a diatomic gas is at a pressure of . The density of the gas is . What is the energy of the gas due to its thermal motion?2009Pressure and Energy of gas
  11. 11This question contains Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the t2009Resistance and Resistivity
  12. 12The magnitude of the magnetic field due to loop at the origin is2009Biot-Savart's Law and Ampere's Circuital Law
  13. 13Due to the presence of the current at the origin2009Force and Torque on Current Carrying Conductor
  14. 14A mixture of light, consisting of wavelength and an unknown wavelength, illuminates Young's double slit and gives rise to two overlapping in2009Youngs Double Slit Experiment
  15. 15Two points and are maintained at the potentials of and respectively. The work done in moving 100 electrons from to is2009Electric Potential and Potential Energy
  16. 16The surface of a metal is illuminated with the light of . The kinetic energy of the ejected photoelectrons was found to be . The work functi2009Photoelectric Effect
  17. 17A particle has an initial velocity and an acceleration of . Its speed after 10 s is2009Uniform Motion
  18. 18A motor cycle starts from rest and accelerates along a straight path at . At the starting point of the motor cycle there is a stationary ele2009Doppler's Effect
  19. 19Consider a rubber ball freely falling from a height onto a horizontal elastic plate. Assume that the duration of collision is negligible and2009Uniform Motion
  20. 20A charge is placed at each of the opposite corners of a square. A charge is placed at each of the other two corners. If the net electrical f2009Electric Field and Electric Field Lines
  21. 21A long metallic bar is carrying heat from one of its ends to the other end under steady-state. The variation of temperature along the length2009Conduction
  22. 22A transparent solid cylindrical rod has a refractive index of . It is surrounded by air. A light ray is incident at the mid point of one end2009Critical angle and total internal reflection
  23. 23Three sound waves of equal amplitudes have frequencies . They superpose to give beats. The number of beats produced per second will be2009Beats
  24. 24The height at which the acceleration due to gravity becomes (where the acceleration due to gravity on the surface of the earth) in terms of 2009Acceleration Due to Gravity
  25. 25Two wires are made of the same material and have the same volume. However wire 1 has crosssectional area and wire-2 has cross-sectional area2009Young's Modulus and Breaking Stres
  26. 26In an experiment the angles are required to be measured using an instrument. 29 divisions of the main scale exactly coincide with the 30 div2009Experimental Physics
  27. 27An inductor of inductance and resistors of resistances and are connected to a battery of emf as shown in the figure. The internal resistance2009LR Circuit
  28. 28Assuming the gas to be ideal the work done on the gas in taking it from to is2009Thermodynamic Processes
  29. 29The work done on the gas in taking it from to is2009Thermodynamic Processes
  30. 30The net work done on the gas in the cycle ABCDA is2009Thermodynamic Processes

Frequently Asked Questions

1.How many questions are in the JEE Main 2009 paper?

This paper has 90 questions in total - 30 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 paper.

3.How is the JEE Main 2009 paper structured?

The JEE Main 2009 paper on MARKS has 90 questions, organised by subject:

  • Chemistry: 30 questions - 30 single-correct.
  • Mathematics: 30 questions - 30 single-correct.
  • Physics: 30 questions - 30 single-correct.
4.How difficult is the JEE Main 2009 paper?

Each question on MARKS carries a difficulty rating. Of the 90 rated questions in this paper, 29 (32%) are easy, 46 (51%) are medium and 15 (17%) are hard. Subject wise:

  • Chemistry: 13 easy, 14 medium, 3 hard
  • Mathematics: 7 easy, 16 medium, 7 hard
  • Physics: 9 easy, 16 medium, 5 hard
5.Which chapters were asked the most in the JEE Main 2009 paper?

The chapters with the most questions in each subject were:

  • Chemistry: General Organic Chemistry (4), Alcohols Phenols and Ethers (2), and Classification of Elements and Periodicity in Properties (2).
  • Mathematics: Application of Derivatives (2), Determinants (2), and Functions (2).
  • Physics: Electrostatics (4), Thermodynamics (3), and Magnetic Effects of Current (2).
6.Are there any out-of-syllabus questions in the JEE Main 2009 paper?

Yes. 15 of the 90 questions in this paper are marked on MARKS as outside the current syllabus. You can still practise them for the concept, but they are a lower priority if you are short on time.

7.Where can I find the solutions for the JEE Main 2009 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 paper is coming soon.

8.How should I use the JEE Main 2009 paper to check my preparation?

Set a timer, attempt the 90 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.

9.Will the JEE Main 2009 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.