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WBJEE 2018

Browse the complete Chemistry, Mathematics, and Physics question set from the WBJEE 2018 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 155 questions in total - 52 easy (34%), 89 moderate (57%) and 14 tough (9%). That's a fairly typical mix for this exam. By subject: Mathematics 24% easy, 67% moderate, 9% tough; Physics 38% easy, 53% moderate, 10% tough; Chemistry 48% easy, 45% moderate, 8% tough.

Chemistry questions were spread across 21 chapters, with Alcohols Phenols and Ethers (4), Hydrocarbons (3), and Thermodynamics (C) (3) carrying the most weight. Mathematics questions were spread across 30 chapters, with Application of Derivatives (6), Definite Integration (6), and Determinants (5) carrying the most weight. Physics questions were spread across 23 chapters, with Electrostatics (5), Ray Optics (4), and Current Electricity (3) carrying the most weight.

Chemistry

  1. 1is the anhydride of2018Halogens and Its Compounds
  2. 2The main reason that is easily hydrolysed as compared to is that2018Silicon and Its Compounds
  3. 3Silver chloride dissolves in excess of ammonium hydroxide solution. The cation present in the resulting solution is2018Crystal Field Theory
  4. 4The ease of hydrolysis in the compounds and (IV) is of the order2018Preparation and Properties of Acid Derivatives
  5. 5can be prepared by the reaction of2018Properties and Preparation of Alkynes
  6. 6The number of alkene (s) which can produce 2 -butanol by the successive treatment of (i) in tetrahydrofuran solvent and (ii) alkaline soluti2018Reactions of alkenes
  7. 7Identify in the following sequence of reactions2018Preparation and Properties of Acid Derivatives
  8. 8Methoxybenzene on treatment with produces2018Reactions of Ethers
  9. 9Here, N is2018Reactions of Alcohols
  10. 10The correct order of reactivity for the addition reaction of the following carbonyl compounds with ethylmagnesium iodide is2018Chemical reactions for aldehydes and ketones
  11. 11If aniline is treated with conc. and heated at , the product is2018Preparation and Properties of Amines
  12. 12Which of the following electronic configuration is not possible?2018Electronic configuration
  13. 13The number of unpaired electrons in Ni (atomic number ) are2018Electronic configuration
  14. 14Which of the following has the strongest H-bond?2018Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
  15. 15The half-life of is 5760 years. For a sample of , the time taken to change to is2018Integrated rate laws
  16. 16Ferric ion forms a prussian blue precipitate due to the formation of2018Crystal Field Theory
  17. 17The nucleus accepts an orbital clectron to yield.2018Arrhenius theory
  18. 18How many moles of electrons will weigh one kilogram?2018Mole concept
  19. 19Equal weights of ethane and hydrogen are mixed in an empty container at 25 C. The fraction of total pressure exerted by hydrogen is2018Henry's law
  20. 20The heat of neutralisation of a strong base acid is . The heat released when 0.6 mole solution is added to a 0.25 mole of NaOH is2018Laws of Thermochemistry and Enthalpy Change
  21. 21A compound formed by elements and crystallises in the cubic structure, where atoms are at the corners of a cube and atoms are at the centre 2018Cubic system
  22. 22What amount of clectricity can deposit I mole of Al metal at cathode when passed through molten2018Cells and Electrode Potential, Nernst Equation
  23. 23Given the standard half-cell potentials of the following as Then the standard e.m.f. of the cell with the reaction is2018Cells and Electrode Potential, Nernst Equation
  24. 24The following equilibrium constants are given The equilibrium constant for the oxidation of 2 mole of to give NO is2018Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  25. 25Which one of the following is a condensation polymer?2018Preparation and Properties of Polymers
  26. 26Which of the following is present in maximum amount in 'acid rain'?2018Air Pollution
  27. 27Which of the set of oxides are arranged in the order of proper basic, amphoteric, acidic?2018Aluminium and Its Compounds
  28. 28Out of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one?2018Oxidation and Reduction Reactions
  29. 29At room temperature, the reaction between water and fluorine produces2018Halogens and Its Compounds
  30. 30Which of the following is least thermally stable?2018Radicals
  31. 31Br ? The species and respectively are2018Reactions of Alcohols
  32. 32The number of possible organobromine compounds which can be obtained in the allylic bromination of 1 -butene with N-bromosuccinimide is2018Preparation and Properties of Alcohols
  33. 33A metal (specific heat 0.16 ) forms a metal chloride with chlorine present in it. The formula of the metal chloride will be2018Quantitative measures in chemical equations
  34. 34During a reversible adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio 2018First Law and Basic Fundamentals of Thermodynamics
  35. 35dil. Colourless, suffocating gas Green colouration of solution Then, and are2018Radicals
  36. 36The possible product(s) to be obtained from the reaction of cyclobutyl amine with HNO is/are2018Preparation and Properties of Amines
  37. 37The major products obtained in the following reaction is/are2018Reactions of alkenes
  38. 38Which statements are correct for the peroxide ion?2018Molecular Orbital Theory
  39. 39Among the following, the extensive variables are2018System and surrounding
  40. 40White phosphorous has the following characteristics2018Phosphorus and Its Compounds

Mathematics

  1. 1The approximate value of is2018Measurement of Angles
  2. 2Let for all Then for any fixed is2018Logarithmic differentiation
  3. 3The domain of definition of is Here and2018Domain
  4. 4Let be differentiable on and . Let Also let Then2018Mean Value Theorem
  5. 5Let Then2018Algebraic and Rational Limits
  6. 6Let be such that is differentiable in is continuous at and and moreover . Then2018Continuity
  7. 7Let be a twice continuously differentiable function such that Then2018Mean Value Theorem
  8. 8If where c is constant of integration, then is equal to2018Miscellaneous Forms
  9. 9If where is the constant of integration, then is equal to2018Fundamental of Indefinite Integration
  10. 10If then the value of is2018Properties of Definite Integration
  11. 11The value of the integral is2018Definite Integration by Substitution
  12. 12Let . Then2018Properties Involving Inequalities
  13. 13The value of is2018Definite Integration by Substitution
  14. 14The value of2018Definite as Limit of Sum
  15. 15The differential equation representing the family of curves where is a parameter, is of2018Order and Degree
  16. 16Let be a solution of and Then y(1) s equal to2018Linear Differential Equation
  17. 17The law of motion of a body moving along a straight line is vt. being its distance from a fixed point on the line at time and is its velocit2018Higher order derivatives
  18. 18Number of common tangents of and is2018Common Tangent
  19. 19Given that numbers of arithmetic means are inserted between two sets of numbers and where . Suppose further that the mih means between these2018Arithmetic Progression
  20. 20If then the value of is2018Logarithm
  21. 21If then is equal to2018De Moivres Theorem
  22. 22If and be two non-zero complex numbers such that then the origin and the points represented by and2018Locus Based on Distance Formula
  23. 23If and are all real numbers, then at least one of the equations and has2018Relation between Roots and Coefficients
  24. 24The number of selection of objects from objects of which are identical and the rest are different, is2018Selection of one or more item
  25. 25equal to2018Properties of Binomial Coefficients
  26. 26The number is divisible by2018Remainder and Divisibility Problems
  27. 27If is even posirive integer, then the condition that the greatest term in the expansion of may also have the greatest coefficient, is2018Terms of Binomial Expansion
  28. 28If . Then is {array}{l} {array} denotes the det of the identity matrix of order 3 )2018Expansion of Determinants
  29. 29If , then the value of is equal to2018Expansion of Determinants
  30. 30If , then the value of is independent of2018Summation of Determinants
  31. 31If the following three linear equations have a non-trivial solution, then2018System of Linear Equations
  32. 32On , a relation is defined by xpy if and only if is zero or irrational. Then.2018Questions on Symmetric Transitive and Reflexive Properties
  33. 33On the set of real numbers, the relation is defined by2018Questions on Symmetric Transitive and Reflexive Properties
  34. 34If be defined by and be defined by . The mapping gof : be defined by (gof) Then.2018Types of Function (Mapping)
  35. 35In order to get a head at least once with probability , the minimum number of times a unbiased coin needs to be tossed is2018Bernoulli Trial and Binomial Distribution
  36. 36student appears for tests 1 , 11 and . The student is successful if he passes in tests I,II or I, III. The probabilities of the student pass2018Addition and Subtraction Theorems
  37. 37If , then general value of is2018Solving Trigonometric Equation
  38. 38If then is equal to2018Sum and difference of angles
  39. 39Without changing the direction of the axes, the origin is transferred to the point (2,3) . Then the equation changes to2018General equation of second degree
  40. 40The angle between a pair of tangents drawn from a point to the circle is The equation of the locus of the point is2018Pair of Tangents
  41. 41The point is the image of the point about the line and is the image of the point about the line The circumcentre of the is2018Point and Line
  42. 42The angular points of a triangle are and . The equation of the bisector of the angle is2018Angle bisector
  43. 43If one of the diameter of the circle, given by the equation is a chord of a circle whose centre is ), the radius of is2018Chord with given Middle Point
  44. 44A chord is drawn from the point on the circle and is extended to such that . The locus of is2018Locus
  45. 45Let the eccentricity of the hyperbola be reciprocal to that of the ellipse then the ratio equals2018Equation of hyperbola
  46. 46Let be two distinct points on the parabola . If the axis of the parabola touches a circle of radius having as diameter, the slope of the lin2018Line and parabola
  47. 47Let R(ar be three points on a parabola . If is the focal chord and are parallel where the co-ordinates of is then the value of is2018Chord of parabola
  48. 48Let be a point on the ellipse and the line through parallel to the -axis mects the circle at where are on the same side of the -axis. If is 2018Locus
  49. 49A point lies on a line through and is parallel to the line If lies on the plane then segment PQ equals2018Line and Plane
  50. 50The foot of the perpendicular drawn from the point (1,8,4) on the line joining the point (0,-11,4) and (2,-3,1) is2018Direction Cosines and Direction Ratios
  51. 51A ladder long leans against a vertical wall. The top end slides downwards at the rate of per second. The rate at which the lower end moves o2018Rate Measure Error and Approximation
  52. 52For and for any positive , let then2018Inequalities
  53. 53Let and be three vectors. A vector in the plane of and , whose projection on is is given by2018Product of 2 vectors
  54. 54Let be the three unit vectors such that and the angle between and is Then is2018Product of 2 vectors
  55. 55Let and be complex numbers such that and If and then is2018Conjugate, modulus and argument
  56. 56From a collection of 20 consecutive natural numbers, four are selected such that they are not consecutive. The number of such selections is2018Arrangement under Constraint
  57. 57The least positive integer such that is an identity matrix of order 2 is2018Product of Matrices
  58. 58Let be a relation defined on , the set of natural numbers, as Then2018Questions on Symmetric Transitive and Reflexive Properties
  59. 59If the polynomial then the constant term of is and are positive integers2018Expansion of Determinants
  60. 60A line cuts the -axis at and the -axis at . A variable line is drawn perpendicular to cutting the -axis at and the -axis at . If and meet at2018Locus
  61. 61Let be the centre of the circle Let and be two points on the circle such that tangents at and meet at . The area of the quadrilateral is2018Pair of Tangents
  62. 62Let2018Continuity
  63. 63The normal to the curve , drawn at the points with the abscissa and2018Tangent Normal
  64. 64The equation2018Logarithm
  65. 65Consider the parabola . Let and be points on the parabola where and . Let be a point on the arc of the parabola between and . Then, the area2018Chord of parabola
  66. 66Let . Then2018Properties Involving Inequalities
  67. 67A particle is in motion along a curve . The rate of change of its ordinate exceeds that of abscissa in2018Rate Measure Error and Approximation
  68. 68The area of the region lying above -axis, and included between the circle and the parabola is2018Area bounded by two curves
  69. 69If the equation has roots equal to the fourth powers of the roots of where then the roots of will be2018Relation between Roots and Coefficients
  70. 70On the occasion of Dipawali festival each student of a class sends greeting cards to others. If there are 20 students in the class. the numb2018Permutation
  71. 71In a third order matrix , denotes the element in the ith row and th column. If for for for Then the matrix is2018Symmetric & Skew Symmetric Matrices
  72. 72The area of the triangle formed by the intersection of a line parallel to -axis and passing through with the lines and is . The locus of the2018Locus
  73. 73A hyperbola, having the transverse axis of length is confocal with the ellipse . It equation is2018Equation of hyperbola
  74. 74Let then assuming as an integer,2018Monotonicity
  75. 75Consider the function The inverse of the function2018Inverse of a Function

Physics

  1. 1Four resistors, and are connected to form four sides of a square. The resistors can be connected in any order. What is the maximum possible 2018Combination of Resistances
  2. 2What will be current through the resistor in the given circuit, a long time after the switch is made on?2018Electric Current and Drift of Electrons
  3. 3A point source is placed at coordinates (0,1) in -plane. A ray of light from the source is reflected on a plane mirror placed along the -axi2018Reflection of Light from Plane Mirror
  4. 4Two identical equiconvex lenses, each of focal length are placed side by side in contact with each other with a layer of water in between th2018Lens Formula, Refraction of light from curved surface
  5. 5There is a small air bubble at the centre of a solid glass sphere of radius and refractive index What will be the apparent distance of the b2018Lens Formula, Refraction of light from curved surface
  6. 6If Young's double slit experiment is done with white light, which of the following statements will be true?2018Youngs Double Slit Experiment
  7. 7How the linear velocity of an electron in the Bohr orbit is related to its quantum number2018Bohr's Atomic Model
  8. 8If the half-life of a radioactive nucleus is 3 days, nearly what fraction of the initial number of nuclei will decay on the third day? (Give2018Radioactivity
  9. 9An electron accelerated through a potential of from rest has a de-Broglie wave length . What should be the accelerating potential, so that t2018Matter Waves
  10. 10In the circuit shown, inputs and are in states 1 and 0 respectively. What is the only possible stable state of the outputs and2018Logic gates
  11. 11What will be the current flowing through the resistor in the circuit shown, where the breakdown voltage of the Zener is2018Diodes
  12. 12In case of a simple harmonic motion, if the velocity is plotted along the -axis and the displacement (from the equilibrium position) is plot2018Simple Harmonic Motion
  13. 13A block of mass is placed on a horizontal table and another block of mass is placed on top of it. An increasing horizontal force \(F= t\) is2018Frictional force
  14. 14In a triangle , the sides and are represented by the vectors and , respectively. Calculate the angle2018Multiplication of Vectors
  15. 15The velocity of a particle (under a force ) depends on its distance from the origin (with . Find how the magnitude of the force on the parti2018Newton's laws of motion
  16. 16The ratio of accelerations due to gravity on the surfaces of two planets is 5: 2 and the ratio of their respective average densities is 2: 12018Acceleration Due to Gravity
  17. 17A spherical liquid drop is placed on a horizontal plane. A small disturbance causes the volume of the drop to oscillate. The time period of 2018Dimensions
  18. 18The stress along the length of a rod (with rectangular cross-section) is of the Young's modulus of its material. What is the approximate per2018Young's Modulus and Breaking Stres
  19. 19What will be the approximate terminal velocity of a rain drop of diameter , when density of rain water and the coefficient of viscosity of a2018Viscosity
  20. 20The water equivalent of a calorimeter is and it contains of water at . Some amount of ice, initially at is dropped in it and half of the ice2018Calorimetry
  21. 21One mole of a monoatomic ideal gas undergoes a quasistatic process, which is depicted by a straight line joining points and in a diagram. Wh2018Degree of Freedom and Specific Heat
  22. 22For an ideal gas with initial pressure and volume and respectively, a reversible isothermal expansion happens, when its volume becomes . The2018Thermodynamic Processes
  23. 23A point charge is carried from a point to another point on the axis of a charged ring of radius carrying a charge . If the point is at a dis2018Electric Potential and Potential Energy
  24. 24Consider a region in free space bounded by the surfaces of an imaginary cube having sides of length as shown in the figure. A charge is plac2018Electric Flux and Gauss Law
  25. 25Four equal charges of value are placed at four vertices of a regular hexagon of side W. By suitably choosing the vertices, what can the maxi2018Electric Field and Electric Field Lines
  26. 26A proton of mass moving with a speed ( c. velocity of light in vacuum) completes circular orbit in time in a uniform Whetic ficld. If the sp2018Motion of Charged Particle in Magnetic Field
  27. 27A uniform current is flowing along the length dinfinite, straight. thin. hollow cylinder dradius The magnetic field produced at perpendicula2018Biot-Savart's Law and Ampere's Circuital Law
  28. 28A circular loop of radius of conducting wire connected with a voltage source of zero internal resistance produces a magnetic field at its ce2018Biot-Savart's Law and Ampere's Circuital Law
  29. 29An altermating current is flowing through a series circuit. It is found that the current reaches a value of at both and frequency. What is t2018AC Circuits
  30. 30An electric bulb, a capacitor, a battery and a switch are all in series in a circuit. How does the intensity of light vary when the switch i2018Capacitance
  31. 31A light charged particle is revolving in a circle of radius in electrostatic attraction of a static heavy particle with opposite charge How 2018Electric Charge and Coulomb's law
  32. 32As shown in the figure, a rectangular loop of a conducting wire is moving away with a constant velocity in a perpendiculat direction from a 2018Motional and Rotational EMF
  33. 33A solid spherical ball and a hollow spherical ball of two different materials of densities and respectively have same outer radii and same m2018Moment of inertia of rigid bodies
  34. 34The insulated plates of a charged parallel plate capacitor (with small separation between the plates) are approaching each other due to elec2018Force and Energy stored in capacitor
  35. 35The bob of a pendulum of mass , suspended by an inextensible string of length as shown in the figure carries a small charge . An infinite ho2018Time Period and Frequency
  36. 36A non-zero current passes through the galvanometer shown in the circuit when the key is closed and its value does not change when the key is2018Electric Instruments
  37. 37A ray of light is incident on a right angled isosceles prism parallel to its base as shown in the figure. Refractive index of the material o2018Critical angle and total internal reflection
  38. 38The intensity of a sound appears to an observer to be periodic. Which of the following can be the cause of it?2018Interference of Light
  39. 39Which of the following statements(s) is/are true? "Internal energy of an ideal gas ..........."2018Thermodynamic Processes
  40. 40Two positive charges and are placed at points and respectively, where is at a distance units to the right of . The total electric potential 2018Electric Potential and Potential Energy

Frequently Asked Questions

1.How many questions are in the WBJEE 2018 paper?

This paper has 155 questions in total - 40 from Chemistry, 75 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 2018 paper?

The WBJEE 2018 paper on MARKS has 155 questions, organised by subject:

  • Chemistry: 40 questions - 35 single-correct and 5 multiple-correct.
  • Mathematics: 75 questions - 65 single-correct and 10 multiple-correct.
  • Physics: 40 questions - 35 single-correct and 5 multiple-correct.
4.What is the difficulty level of the WBJEE 2018 paper?

Each question on MARKS carries a difficulty rating. Of the 155 rated questions in this paper, 52 (34%) are easy, 89 (57%) are medium and 14 (9%) are hard. Subject wise:

  • Chemistry: 19 easy, 18 medium, 3 hard
  • Mathematics: 18 easy, 50 medium, 7 hard
  • Physics: 15 easy, 21 medium, 4 hard
5.Which chapters had the most questions in the WBJEE 2018 paper?

The chapters with the most questions in each subject were:

  • Chemistry: Alcohols Phenols and Ethers (4), Hydrocarbons (3), and p Block Elements (Group 15, 16, 17 & 18) (3).
  • Mathematics: Application of Derivatives (6), Definite Integration (6), and Determinants (5).
  • Physics: Electrostatics (5), Ray Optics (4), and Current Electricity (3).
6.Where can I find the solutions for the WBJEE 2018 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 2018 paper to check my preparation?

Set a timer, attempt the 155 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 2018 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.