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WBJEE 2009

Browse the complete Chemistry, Mathematics, and Physics question set from the WBJEE 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 160 questions in total - 76 easy (48%), 57 moderate (36%) and 27 tough (17%). That's an easier-than-usual mix for this exam - aim to clear it quickly and save time for the harder papers. By subject: Mathematics 48% easy, 33% moderate, 20% tough; Physics 43% easy, 43% moderate, 15% tough; Chemistry 53% easy, 35% moderate, 13% tough.

Chemistry questions were spread across 20 chapters, with Chemical Kinetics (4), General Organic Chemistry (4), and Thermodynamics (C) (4) carrying the most weight. Mathematics questions were spread across 25 chapters, with Definite Integration (6), Straight Lines (6), and Application of Derivatives (5) carrying the most weight. Physics questions were spread across 21 chapters, with Current Electricity (4), Thermal Properties of Matter (4), and Electrostatics (3) carrying the most weight.

Chemistry

  1. 1Which statement is incorrect2009Reactions of Phenol
  2. 2In which of the following reactions new carbon-carbon bond is not formed :2009Reactions of Carbonyl Compounds
  3. 3A compound is formed by substitution of two chlorine for two hydrogens in propane. The number of possible isomeric compounds is2009Isomerism of Organic Compounds
  4. 4Which one of the following is called a carbylamine?2009Preparation and Properties of Isocyanides
  5. 5For making distinction between 2-pentanone and 3-pentanone the reagent to be employed is2009Tests for aldehyde and ketones
  6. 6Which one of the following formulae does not represent an organic compound?2009IUPAC Nomenclature
  7. 7The catalyst used for olefin polymerization is2009Preparation and Properties of Polymers
  8. 8The oxidant which is used as an antiseptic is :2009Compounds of Transition Metals
  9. 9Which of the following contributes to the double helical structure of DNA2009Nucleic Acids
  10. 10The monomer used to produce orlon is2009Preparation and Properties of Polymers
  11. 111 mole of photon, each of frequency , would have approximately a total energy of:2009Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  12. 12If number of radioatoms are present at time , the following expression will be a constant :2009Rate law and rate constant
  13. 13The following graph shows how (half-life) of a reactant changes with the initial reactant concentration . The order of the reaction will be 2009Rate law and rate constant
  14. 14The second law of thermodynamics says that in a cyclic process :2009Entropy and Second law of thermodynamics
  15. 15The equilibrium constant of a reaction may be written as :2009Third law of thermodynamics
  16. 16For the reaction , if we write , then becomes2009Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  17. 17If it is assumed that decays only by emitting and particles, the possible product of the decay is :2009Atomic Mass and Atomic Size
  18. 18The time taken for completion of a first order reactin is 20 mins. Then, for completion, the reaction will take2009Integrated rate laws
  19. 19Which of the following will decrease the of a solution of ?2009Concentration terms
  20. 20Equal volumes of molar hydrochloric acid and sulphuric acid are neutralised by dilute solution and and of heat are liberated respectively. W2009Laws of Thermochemistry and Enthalpy Change
  21. 21Hybridisation of central atom in is2009Hybridisation and VSEPR Theory
  22. 22Of the following compounds the most acidic is2009Phosphorus and Its Compounds
  23. 23The half-life of a radioactive element is 10 hours. How much will be left after 4 hours in atom sample?2009Integrated rate laws
  24. 24For the Paschen series the values of and in the expression are2009Hydrogen spectrum
  25. 25Under which of the following condition is the relation valid for a closed system?2009First Law and Basic Fundamentals of Thermodynamics
  26. 26An organic compound made of and contains nitrogen. Its molecular weight is :2009Mole concept
  27. 27In Cu-ammonia complex, the state of hybridization of is2009Werner's theory and Valence Bond Theory
  28. 28The reaction that takes place when gas is passed through conc. solution is :2009Halogens and Its Compounds
  29. 29"Electron" is an alloy of2009Properties of D-block elements
  30. 30Blackened oil painting can be restored into original form by the action of :2009Chemical properties of hydrogen peroxide
  31. 31Of the following acids the one which has the capability to form complex compound and also possesses oxidizing and reducing properties is :2009Oxidation number
  32. 32Atoms in a molecule of white phosphorus are arranged regularly in the following way:2009Phosphorus and Its Compounds
  33. 33Which of the following statements is not correct2009Silicon and Its Compounds
  34. 34In aluminium extraction by the Bayer process, alumina is extracted from bauxite by sodium hydroxide at high temperature and pressures : Soli2009Extraction of Metals
  35. 35The addition of to 2-pentene gives2009Reactions of alkenes
  36. 36Ethelene can be separated from acetylene by passing the mixture through :2009Reactions of alkynes
  37. 37Reaction of with produces :2009Reactions of Alcohols
  38. 38In the compound the hybridization of and carbons are respectively:2009Hybridisation and VSEPR Theory
  39. 39Preview not available - open to view this question.2009Isomerism of Organic Compounds
  40. 40Which of the following carbocations will be most stable?2009Electron displacement effects

Mathematics

  1. 1If is the reflecton of in -axis and is the reflection of in -axis, then is2009Coordinate System
  2. 2The value of is2009T-Ratios of Multiple & sub multiple angles
  3. 3The value of integral is2009Miscellaneous
  4. 4The line intersects the ellipse in real points if2009Line and ellipse
  5. 5General solution of is2009Solving Trigonometric Equation
  6. 6If and square matrices of the same order and , then is equal to2009Inverse of a Matrix
  7. 7The co-ordinates of the focus of the parabola described parametrically by are2009Standard equation of parabola
  8. 8For any two sets and equals2009Questions on Venn Diagram
  9. 9If , then2009Sine Rule and its application
  10. 10A Mapping from IN to IN is defined as follows : (IN is the set of natural numbers). Then2009Types of Function (Mapping)
  11. 11In a triangle if , then the triangle is2009Sine Rule and its application
  12. 12equals where is an arbitrary constant2009Fundamental of Indefinite Integration
  13. 13The value of is2009Measurement of Angles
  14. 14If then2009Range
  15. 15A positive acute angle is divided into two parts whose tangents are and . Then the angle is2009Sum and difference of angles
  16. 16If then is equal to2009Properties of Definite Integration
  17. 17The value of is2009Miscellaneous
  18. 18If and , then,2009Miscellaneous
  19. 19The second order derivative of a with respect to a at is2009Parametric differentiation
  20. 20The smallest value of is2009Range
  21. 21The general solution of the differential equation is where is an arbitrary constant2009Variable Separable Form
  22. 22Product of any consecutive natural numbers is always divisible by2009Factorial
  23. 23The integrating factor of the differential equation is given by2009Linear Differential Equation
  24. 24If then2009Formation of Differential Equation
  25. 25If denote the co-efficients in the expansion of then the value of is2009Sum of Series
  26. 26A polygon has 44 diagonals. The number of its sides is2009Geometric Permutation
  27. 27If be the roots of , then the value of2009Relation between Roots and Coefficients
  28. 28The angle between the lines joining the foci of an ellipse to one particular extremity of the minor axis is . The eccentricity of the ellips2009Equation of Ellipse
  29. 29The order of the differential equation is2009Order and Degree
  30. 30The sum of all real roots of the equation2009Relation between Roots and Coefficients
  31. 31If and then the value of2009Properties of Definite Integration
  32. 32For each is divisible by where is a set of natural numbers2009Remainder and Divisibility Problems
  33. 33The Rolle's theorem is applicable in the interval for the function2009Mean Value Theorem
  34. 34The distance covered by a particle in seconds is given by . After 1 second velocity will be2009Rate Measure Error and Approximation
  35. 35If the co-efficients of and in the expansion of be same, then the value of ' ' is2009Terms of Binomial Expansion
  36. 36The value of is2009Logarithm
  37. 37If , then the value of will be2009Logarithm
  38. 38Using binomial theorem, the value of correct to 3 decimal places is2009Terms of Binomial Expansion
  39. 39If the rate of increase of the radius of a circle is , then the rate of increase of its area, when the radius is , will be2009Rate Measure Error and Approximation
  40. 40The quadratic equation whose roots are three times the roots of is2009Relation between Roots and Coefficients
  41. 41Angle between and at the origin is2009Tangent Normal
  42. 42In triangle and , then is equal to2009Sine Rule and its application
  43. 43is equal to2009Properties of Periodic Functions
  44. 44The coefficient of , where is any positive integer, in the expansion of is2009Binomial Theorem for Negative Index
  45. 45The circles and intersect at two distinct points if2009Intersection of Circles
  46. 46is equal to where is an arbitrary constant2009Integration by Substitution
  47. 47The number of points on the line which are unit distance apart from the line is2009Point and Line
  48. 48Simplest form of is2009T-Ratios of Multiple & sub multiple angles
  49. 49If , then the value of at is2009Differentiation of Inverse Trigonometric Functions
  50. 50If three positive real numbers are in A.P. and then minimum possible value of is2009Arithmetic Progression
  51. 51If , when , then the values of are :2009Solving Trigonometric Equation
  52. 52For any complex number , the minimum value of is2009Conjugate, modulus and argument
  53. 53For the two circles and there is / are2009Common Tangents
  54. 54If is a point on the line segment joining and such that , then the coordinate of is2009Coordinate System
  55. 55If are real, then both the roots of the equation are always2009Relation between Roots and Coefficients
  56. 56The sum of the infinite series . is2009Factorial
  57. 57The point is the vertex of a square and one of its diagonals is . The equation of the other diagonal is2009Angle between Lines
  58. 58The domain of definition of the function is2009Domain
  59. 59For what value of is the arithmetic mean of ' ' and ' '?2009Means
  60. 60The value of the limit is2009Exponential and logarithmic limits
  61. 61Let then the value of is2009Existance of Limit
  62. 62is continuous for2009Continuity
  63. 63is equal to2009Sum and Difference & Multiple angle Formula
  64. 64If and is a positive integer, then is euqal to2009Power of iota
  65. 65equals where is an arbitrary constant.2009Integration using Partial Fraction
  66. 66If are in G.P. , then for any real number with are in2009Mixed Question on AP and GP
  67. 67A line through the point which makes an angle of with the positive direction of -axis is rotated about A in clockwise direction through an a2009Basic Forms of Straight Line
  68. 68The equation has2009Solving Trigonometric Equation
  69. 69The slope at any point of a curve is given by and it passes through . The equation of the curve is2009Variable Separable Form
  70. 70The modulus of is2009Algebra of complex numbers
  71. 71The equation of the tangent to the conic at is2009Tangent to ellipse
  72. 72and are two independent events such that and . The is2009Independent Events
  73. 73The total number of tangents through the point that can be drawn to the ellipses and is2009Tangent to ellipse
  74. 74The value of is2009Miscellaneous
  75. 75A particle is moving in a straight line. At time , the distance between the particle from its starting point is given by . Its acceleration 2009Rate Measure Error and Approximation
  76. 76Three numbers are chosen at random from 1 to 20 . The probability that they are consecutive is2009Classical Definition of Probability
  77. 77The co-ordinates of the foot of the perpendicular from upon the line are2009Coordinate System
  78. 78If is a square matrix then,2009Symmetric & Skew Symmetric Matrices
  79. 79The equation of the chord of the circle whose mid point is is2009Chord with given Middle Point
  80. 80If , then the inverse of the matrix is2009Inverse of a Matrix

Physics

  1. 1One of copper is drawn into a wire of diameter and a wire of diameter. The resistance of the two wires will be in the ratio2009Resistance and Resistivity
  2. 2An electrical cable having a resistance of delivers at D.C. to a factory. What is the efficiency of transmission?2009Electric Power and Heating Effect of Current
  3. 3A wire of resistance is drawn out so that its new length is 3 times its original length. What is the reistance of the new wire?2009Resistance and Resistivity
  4. 4Two identical cells each of emf and internal resistance are connected in parallel with an external resistance . To get maximum power develop2009Electric Cell or Battery
  5. 5To write the decimal number 37 in binary, how many binary digits are required?2009Logic gates
  6. 6A junction diode has a resistance of when forward biased and when reverse biased. The current in the diode, for the arrangement shown will b2009Diodes
  7. 7If the electron in a hydrogen atom jumps from an orbit with level to an orbit with level the emitted radiation has a wavelength given by2009Atomic Spectrum
  8. 8What is the particle in the following nuclear reaction :2009Nuclear reactions
  9. 9An alternating current of rms value is passed through a resistor. The maximum potential difference across the resistor is2009Alternating Current, Voltage and Power
  10. 10Which of the following relation represent Biot-Savart's law?2009Biot-Savart's Law and Ampere's Circuital Law
  11. 11and are two vectors given by and . The magnitude of the component of along is2009Addition and Subtraction of Vectors
  12. 12Given and . What is the angle between and ?2009Fundamentals of Vectors
  13. 13The acceleration ' ' (in ) of a body, starting from rest varies with time (in ) following the equation The velocity of the body at time will2009Non-uniform Motion
  14. 14Figure below shows the distance-time graph of the motion of a car. If follows from the graph that the car is2009Graphs of motion in one dimension
  15. 15Two particles have masses and their kinetic energies are in the ratio . What is the ratio of their linear momenta?2009Momentum
  16. 16The force acting on a particle moving in a straight line is shown below. What is the work done by the force on the particle in the meter of 2009Work done
  17. 17If the kinetic energy of a body changes by then its momentum would change by -2009Momentum
  18. 18A bullet is fired with a velocity u making an angle of with the horizontal plane. The horizontal component o the velocity of the bullet when2009Projectile motion
  19. 19A particle is projected at to the horizontal with a kinetic energy . The kinetic energy at the highest point is2009Projectile motion
  20. 20The poisson's ratio of a material is 0.5 . If a force is applied to a wire of this material, there is a decrease in the cross-sectional area2009Bulk Modulus
  21. 21Two spheres of equal masses but radii and are allowed to fall in a liquid of infinite column. The ratio of their terminal velocities is2009Viscosity
  22. 22Two massless springs of force constants and are joined end to end. The resultant force constant of the system is2009Spring force
  23. 23A spring of force constant is cut into two equal halves. The force constant of each half is2009Spring force
  24. 24Two rods of equal length and diameter have thermal conductivities 3 and 4 units respectively. If they are joined in series, the thermal cond2009Conduction
  25. 25of water at and of ice at are mixed together in a calorimeter. What is the final temperature of the mixture? Given specific heat of ice and 2009Calorimetry
  26. 26It is difficult to cook rice in an open vessel by boiling it at high altitudes because of2009Thermometry
  27. 27The height of a waterfall is . If the difference between the temperature at the top and the bottom of the waterfall is:2009Calorimetry
  28. 28The distance between an object and a divergent lens is times the focal length of the lens. The linear magnification produced by the lens is2009Lens Formula, Refraction of light from curved surface
  29. 29A object is placed in front of a concave mirror of focal length . What is the size and nature of the image?2009Mirror Formula, Reflection in Spherical Mirror
  30. 30A beam of monochromatic blue light of wavelength in air travels in water of refractive index . Its wavelength in water will be:2009Refraction of light from plane surface
  31. 31Two identical light waves, propagating in the same direction, have a phase difference . After they superpose the intensity of the resulting 2009Youngs Double Slit Experiment
  32. 32The equation of state for moles of an ideal gas is , where is a constant. The SI unit for is2009Gas Laws
  33. 33At a certain place, the horizontal component of earth's magnetic field is times the vertical component. The angle of dip at that place is2009Earths magnetic field
  34. 34The number of electron in 2 coulomb of charge is2009Electric Charge and Coulomb's law
  35. 35The current flowing through a wire depends on time as . The charge flowing through the cross section of the wire in time from to . is2009Electric Charge and Coulomb's law
  36. 36If the charge on a capacitor is increased by 2 coulomb, the energy stored in it increases by . The original charge on the capacitor is2009Force and Energy stored in capacitor
  37. 37The work done in carrying a charge once around a circle of radius about a charge at the centre is2009Electric Potential and Potential Energy
  38. 38Four capacitors of equal capacitance have an equivalent capacitance when connected in series and an equivalent capacitance when connected in2009Grouping of capacitors
  39. 39Magnetic field intensity at the centre of a circular loop of radius carrying current e m.u is2009Magnetism and Properties of Magnet
  40. 40Which of the following materials is the best conductor of electricity?2009Semiconductors

Frequently Asked Questions

1.How many questions are in the WBJEE 2009 paper?

This paper has 160 questions in total - 40 from Chemistry, 80 from Mathematics, and 40 from 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.What is the structure of the WBJEE 2009 paper?

The WBJEE 2009 paper on MARKS has 160 questions, organised by subject:

  • Chemistry: 40 questions - 40 single-correct.
  • Mathematics: 80 questions - 80 single-correct.
  • Physics: 40 questions - 40 single-correct.
4.What is the difficulty level of the WBJEE 2009 paper?

Each question on MARKS carries a difficulty rating. Of the 160 rated questions in this paper, 76 (48%) are easy, 57 (36%) are medium and 27 (17%) are hard. Subject wise:

  • Chemistry: 21 easy, 14 medium, 5 hard
  • Mathematics: 38 easy, 26 medium, 16 hard
  • Physics: 17 easy, 17 medium, 6 hard
5.Which chapters had the most questions in the WBJEE 2009 paper?

The chapters with the most questions in each subject were:

  • Chemistry: Chemical Kinetics (4), General Organic Chemistry (4), and Thermodynamics (C) (4).
  • Mathematics: Definite Integration (6), Straight Lines (6), and Application of Derivatives (5).
  • Physics: Current Electricity (4), Thermal Properties of Matter (4), and Electrostatics (3).
6.Where can I find the solutions for the WBJEE 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.

7.How should I use the WBJEE 2009 paper to check my preparation?

Set a timer, attempt the 160 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 WBJEE. Repeating this with other papers shows whether the same weak spots keep coming back.

8.Will the WBJEE 2009 paper help me prepare for WBJEE 2027?

Yes. Every past paper shows the question styles and topics WBJEE 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.