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COMEDK 2014

Browse the complete Chemistry, Mathematics, and Physics question set from the COMEDK 2014 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 180 questions in total - 104 easy (58%), 56 moderate (31%) and 20 tough (11%). That's an easier-than-usual mix for this exam - aim to clear it quickly and save time for the harder papers. By subject: Physics 60% easy, 32% moderate, 8% tough; Chemistry 55% easy, 30% moderate, 15% tough; Mathematics 58% easy, 32% moderate, 10% tough.

Chemistry questions were spread across 29 chapters, with p Block Elements (Group 15, 16, 17 & 18) (5), Alcohols Phenols and Ethers (4), and Structure of Atom (4) carrying the most weight. Mathematics questions were spread across 29 chapters, with Probability (5), Functions (4), and Three Dimensional Geometry (4) carrying the most weight. Physics questions were spread across 26 chapters, with Center of Mass Momentum and Collision (6), Current Electricity (5), and Electromagnetic Induction (5) carrying the most weight.

Chemistry

  1. 1Density of solution of is . The mass of the solvent in the solution is2014Concentration terms
  2. 2An orbital with is designated as2014Quantum mechanical model
  3. 3A 150 watt bulb emits light of wavelength and only of the energy is emitted as light. How many photons are emitted by the bulb per second?2014Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  4. 4In the following sets of ions, which one is not isoelectronic with the rest of the species?2014Atomic Mass and Atomic Size
  5. 5For all gases, at any given pressure, the graph of volume temperature (in celsius) is a straight line. This graph is called2014Atomic Mass and Atomic Size
  6. 6Atomic numbers of vanadium, chromium, nickel and iron are and 26 respectively. Which one of these is expected to have the highest second ion2014Periodic properties
  7. 7Which of these represents the correct order of their increasing bond order?2014Molecular Orbital Theory
  8. 8Pick up the incorrect statement.2014Dipole moment
  9. 9The mole fraction of dioxygen in a neon-dioxygen mixture is . If the total pressure of the mixture is 25 bar, the partial pressure of neon i2014Mixture of gases
  10. 10Standard molar enthalpies of formation of and are and respectively. The , for decomposition of is2014Laws of Thermochemistry and Enthalpy Change
  11. 11for the conversion of to ozone, at is for this conversion is )2014Third law of thermodynamics
  12. 12In which of the following case, does the reaction go farthest to completion if2014Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  13. 13One mole of is heated in a closed vessel. At equilibrium is dissociated. Calculate the equilibrium constant.2014Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  14. 14The non-existence of and is due to2014Oxidation and Reduction Reactions
  15. 15Which of the following species do not show disproportionation reaction?2014Types of redox reactions
  16. 16Sodium dissolves in liquid to give a deep blue solution. This is due to2014General Characteristics of Alkali Metals
  17. 17Fullerene with formula has a structure where every carbon atom is2014Carbon and Its Compounds
  18. 18Maleic acid and fumaric acid are2014Isomerism of Organic Compounds
  19. 19The IUPAC name of tertiary butyl chloride is2014IUPAC Nomenclature
  20. 20The compound which on ozonolysis produces a mixture of propanone and ethanal is2014Reactions of alkenes
  21. 21When 2-bromopentane is heated with alcoholic solution of potassium hydroxide, the major product obtained is2014Properties and Preparation of Alkenes
  22. 22Rain water is called acid rain when its pH2014Air Pollution
  23. 23Schottky defect in crystals is observed when2014Stoichiometric defects
  24. 24A crystalline solid has ions at the corners and face centres, whereas ions are at the body centre and edge centres of the unit cell. The sim2014Cubic system
  25. 2585 . The radius of an atom is . If it crystallises in a face-centered cubic lattice, the length of the edge of the unit cell is2014Cubic system
  26. 26When the concentration is expressed as the number of moles of solute per kilogram of the solvent, it is known as2014Concentration terms
  27. 27van't Hoff factors of equimolal solutions of sodium chloride, barium chloride and glucose in water are2014Colligative Properties and Abnormal Molecular Masses
  28. 28A one molal solution of sodium chloride in water has the same boiling point as2014Colligative Properties and Abnormal Molecular Masses
  29. 29Vapour pressure of water at is . The vapour pressure of water at containing of glucose dissolved in of water is2014Vapour pressure and raoult's law
  30. 30In a electrochemical cell, the reaction will be feasible when2014Cells and Electrode Potential, Nernst Equation
  31. 31The standard emf of the cell is . If the standard reduction potential of is , the standard oxidation potential of is2014Cells and Electrode Potential, Nernst Equation
  32. 32The molar conductivities of and at infinite dilution are and respectively. The molar conductivity of at infinite dilution will be2014Conductance and Conductivity
  33. 33The rate of a chemical reaction doubles for every rise in temperature. If the temperature increases by , the rate of reaction increases2014Arrhenius theory
  34. 34An endothermic reaction, has an activation energy as . If the energy change of the reaction is , the activation energy of the reverse reacti2014Arrhenius theory
  35. 35products, when is doubled keeping constant and rate increases 2 times, when is constant and is doubled and rate increases four times. The ov2014Methods to determine order of reaction
  36. 36Semiconductors of very high purity are obtained by2014Refining of Crude Metal
  37. 37Sodium cyanide is added as a depressant in the froth floatation process when the ore contains a mixture of and PbS. This is because2014Concentration of the Ore
  38. 38Solid reacts with strong liberating a foul smelling gas which spontaneously burn in air giving smoky rings. and are respectively.2014Phosphorus and Its Compounds
  39. 39. This equation represents preparation of sulphur sol by2014Sulphur and Its Compounds
  40. 40Which of the following inert gas compounds is not formed?2014Noble Gases
  41. 41Nitrogen shows maximum covalency of 4 whereas, other heavier elements of the group show higher covalency because,2014Nitrogen and Its Compounds
  42. 42The photographic industry relies on the special light sensitive properties of2014Halogens and Its Compounds
  43. 43In acidic medium, potassium permanganate oxidises oxalic acid to2014Compounds of Transition Metals
  44. 44The complex ion shows2014Isomerism of coordination compounds
  45. 45The complex has the IUPAC name2014Nomenclature of coordination compounds
  46. 46Molar conductance of a complex of cobalt is zero. Then its structure would be2014Stability of complex ion
  47. 47The reaction, is classified as2014Preparation and Properties of Monohalides
  48. 48For I reaction, the order of reactivity of haloalkanes is2014Preparation and Properties of Monohalides
  49. 49The major product obtained when chlorobenzene is nitrated with conc. is2014Reactions of aromatic compounds
  50. 50The unstable intermediate dichlorocarbene is formed during2014Reactions of Phenol
  51. 51Phenols are highly acidic compared to alcohols due to2014Properties of Phenol
  52. 52Arrangement of following compounds based on their boiling points in the increasing order. -butane, 1-butanol, ethoxyethane and 1-propanol wi2014Preparation and Properties of Alcohols
  53. 53Among 2-chloropropanoic acid, 3-chloro-propanoic acid, 2-2-dichloroacetic acid and propanoic acid the values will be in the order,2014Preparation and Properties of Carboxylic Acids
  54. 54A reaction between a carbonyl compound and a Grignard reagent is termed as2014Chemical reactions for aldehydes and ketones
  55. 55Ethanal is treated with a primary alcohol in presence of gas. The reaction is known as2014Reactions of Alcohols
  56. 56here is2014Preparation and Properties of Cyanides
  57. 57In nucleic acids the nucleotides are linked by2014Nucleic Acids
  58. 58Amino acids exist as zwitter ions at2014Properties and Preparation of Amino Acids
  59. 59Which one of the following is an addition polymer?2014Classification of Polymers
  60. 60Among the following compounds, the only one which is not an artificial sweetening agent is2014Artificial Sweetning Agents and Food Preservatives

Mathematics

  1. 1Which of the following is an empty set?2014Questions on number of relations and sets
  2. 2The number of proper subsets of a set having elements is2014Questions on number of relations and sets
  3. 3The domain of the function is2014Domain
  4. 4If , then which one of the following is reflexive?2014Questions on Symmetric Transitive and Reflexive Properties
  5. 5If , then2014Inverse of a Function
  6. 6If is given by , then equals2014Inverse of a Function
  7. 7The value of is equal to2014Measurement of Angles
  8. 8If and then all values of and are given by2014Number of Solutions
  9. 9If , then is equal to2014Sum and difference of angles
  10. 10If , then has the value2014Algebra of complex numbers
  11. 11For a natural number , which one is the correct statement?2014Summation of Series
  12. 12If a complex number lies in the III quadrant. Find the quadrant in which its conjugate lies.2014Conjugate, modulus and argument
  13. 13If satisfies the inequation , then a value exists for2014Relation between Roots and Coefficients
  14. 14If , then2014Permutation
  15. 15If the coefficient of and in are equal, then is2014Terms of Binomial Expansion
  16. 16The term independent of in is2014Terms of Binomial Expansion
  17. 17The sum of the series upto 20 terms is2014Summation of Series
  18. 18The angle between lines and is2014Angle between Lines
  19. 19If is a parameter then an equation of a family of lines having the sum of the intercepts on axes equal to 7 is2014Concurrency & Family of Lines
  20. 20The equation of the ellipse whose centre is at the origin and the -axis is major axis, which passes through the points and is2014Equation of Ellipse
  21. 21The equation of the lines joining the vertex of the parabola to the point on it which have abscissa 24 are2014Position of point
  22. 22From a point perpendicular are drawn to and planes. Find the equation of the plane , where is the origin.2014Plane in Space
  23. 23Find the distance of a point from the plane .2014Plane in Space
  24. 24and are two line segments, where and are mid-point of and , respectively and is the mid-point of . Find the distance of from the plane2014Plane in Space
  25. 25Determine the plane through the intersection of the planes and and perpendicular to the plane2014Plane in Space
  26. 26is equal to2014Algebraic and Rational Limits
  27. 27If , then2014Derivative of f(x) wrt g(x)
  28. 28If , then2014Sum and difference of angles
  29. 29If , then is continuous at , provided is equal to2014Continuity
  30. 30The curve has tangents parallel to -axis at2014Tangent Normal
  31. 31The point on the circle at the abscissa and ordinate increase at the same ate is2014Rate Measure Error and Approximation
  32. 32A spherical balloon is being inflated at the rate of . When its radius is , its surface area increases at the rate of2014Rate Measure Error and Approximation
  33. 33is equal to2014Miscellaneous Forms
  34. 34The solution of is2014Linear Differential Equation
  35. 35The solution of is2014Fundamental of Indefinite Integration
  36. 36Find , if is the angle between the vectors and .2014Product of 2 vectors
  37. 37If and are two vectors of magnitude 2 , each inclined at an , then angle between a and is2014Product of 2 vectors
  38. 38If , then is2014Product of Matrices
  39. 39If the product of the matrix with a matrix has the inverse , then equals2014Inverse of a Matrix
  40. 40and are two matrices such that , , then2014Product of Matrices
  41. 41If are the roots of , then the value of is2014Expansion of Determinants
  42. 42is2014Expansion of Determinants
  43. 43Given that, and what is ?2014Conditional Probability and Multiplication Theorem
  44. 44A card is picked at random from a pack of cards. Given that the picked card is a queen, what is the probability that it is a spade?2014Classical Definition of Probability
  45. 45If the occurrence of an event implies that occurrence of an event , the is equal to2014Classical Definition of Probability
  46. 46A certain item is manufactured by 3 factory and with of item made in in and in . It is found that of the items produced by of the items prod2014Baye's Theorem
  47. 47Ram obtained 60 and 85 in first two unit tests. The minimum marks he should get in the third test to have an average of atleast 55 marks is2014Inequalities
  48. 48Coefficient of variation of two distributions are 60 and 70 , and their standard deviation are 21 and 16 respectively. What are their arithm2014Mean
  49. 49Consider an experiment in which a box contains 10 identical tickets numbered 1 to 10 and 2 tickets are drawn at random from the box. What is2014Classical Definition of Probability
  50. 50Which of the following is not a logical statement?2014Mathematical Reasoning
  51. 51A mathematical model written to construct a maximum area rectangle out of a thread of length is given by maximise . Such that , where and ar2014Linear Programming
  52. 52Laksmi wants to buy few bangles and ear drops. Each bangle costs and each ear drop costs . She should buy atleast 6 bangles and atmost 2 ear2014Linear Programming
  53. 53The function is2014Logarithm
  54. 54The number of real roots of the equation is2014Number of Solutions
  55. 55If the sum of first natural numbers is times the sum their cubes, then the value of is2014Summation of Series
  56. 56If a polygon of sides 275 diagonals, then is equal to2014Combination
  57. 57is divisible by2014Mathematical Induction
  58. 58is equal to2014Expansion of Determinants
  59. 59The number of values of in satisfying the equation is2014Solving Trigonometric Equation
  60. 60is equal to2014Algebraic and Rational Limits

Physics

  1. 1Which of the following statements is not correct regarding conservation laws?2014momentum
  2. 2The increase in the height of the tower of height to get its coverage range tripled is2014Modulation
  3. 3The value of at a height equal to half the radius of the earth from the earth's surface is2014Acceleration Due to Gravity
  4. 4The maximum and minimum distances of a comet from the sun are and . If its velocity nearest to the sun is , what is its velocity in the fart2014Kepler laws
  5. 5The centre of mass of a system of two bodies of masses and , separated by a distance is2014Centre of mass of discrete particles
  6. 6A pump on the ground floor of a building can pump up water to fill the tank of in . If the tank is above the ground, and the efficiency of t2014Electric Power and Heating Effect of Current
  7. 7The resistance of a galvanometer is and it requires for full scale deflection. The value of shunt resistance required to convert it into an 2014Electric Instruments
  8. 8Zener diode is used to regulate the voltage supply because, while using a Zener diode2014Diodes
  9. 9In an inelastic collision, which of the following is true?2014Collisions
  10. 10If a change in current of in one coil produces a change in magnetic flux of weber in another coil, then the mutual inductance between coils 2014Self and Mutual Inductance
  11. 11An aeroplane is flying horizontally with a velocity of . The distance between the tips of the wings of the aeroplane is . The vertical compo2014Motional and Rotational EMF
  12. 12The inductance in a coil plays the same role as2014Inductance
  13. 13The mutual inductance between two coils depends upon2014Self and Mutual Inductance
  14. 14The normal magnetic flux passing through a coil changes with time according to the equation . What is the magnitude of the induced current a2014Magnetic Flux, Faraday's and Lenz law
  15. 15For an electromagnetic wave, which of the following statements is true?2014Electromagnetic Waves and Maxwell's equations
  16. 16If is the angle of prism, angle of refraction, then the condition for minimum deviation is2014Prism and Dispersion of Light
  17. 17A concave mirror forms an enlarged, erect, virtual image of an object, only when the object is placed2014Mirror Formula, Reflection in Spherical Mirror
  18. 18A man stands symmetrically between two large plane mimors fixed to two adjacent walls of a rectangular room. The number of images formed are2014Reflection of Light from Plane Mirror
  19. 19A sinusoidal voltage of peak value and an angular frequency is applied to series circuit, in which , and . The peak current in the circuit i2014AC Circuits
  20. 20A ray of light falls upon a prism and it suffers minimum deviation. The angle of incidence for this ray must be2014Prism and Dispersion of Light
  21. 21A source of light of wavelength is placed at one end of a table long and above its flat well polished top. The fringe width of the interfere2014Youngs Double Slit Experiment
  22. 22A screen is placed away from a narrow slit. It the first minimum lies 5 mm from either side of the central maxima, when plane waves of wavel2014Diffraction of Light
  23. 23A galaxy moves with respect to the earth, so that sodium line of is observed at . The speed of the galaxy is2014Doppler's Effect
  24. 24Newton's rings are observed normally in reflected light of wavelength . The diameter of the 10 th dark ring is . The radius of curvature of 2014Combination of Lens and Mirrors
  25. 25The amount of energy required to separate a hydrogen atom into a proton and an electron is2014Atomic Spectrum
  26. 26The energy equivalent of of a substance is2014Nuclear energy
  27. 27Two small drops of mercury, each of radius , coalesce to form a single large drop of radius . The ratio of the total surface energies before2014Surface tension
  28. 28Find the energy equivalent of one atomic mass unit in joules and in MeV.2014Nuclear energy
  29. 29Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and the second has a vol2014Junction Transistors
  30. 30A transistor works as an amplifier when,2014Junction Transistors
  31. 31In a common base circuit, collector base voltage changes by and collector current changes by . Then, the output resistance is2014Junction Transistors
  32. 32A repeater in TV transmission is2014Communication System
  33. 33The waves suitable for transmission of radio signals are2014Communication System
  34. 34A wire of length is made from of copper. A force is applied so that its length increases by . Another wire of length is made from the same v2014Young's Modulus and Breaking Stres
  35. 35A tennis ball of mass strikes a wall with a velocity and retraces the same path. Calculate the change in momentum.2014momentum
  36. 36A monkey of mass climbs up a rope which can stand a maximum tension of . The rope will break, when the monkey2014Newton's laws of motion
  37. 37A shell of mass is fired by a gun of mass . If the shell leaves the gun with a speed of , then the speed of recoil of the gun is2014momentum
  38. 38Two boys are standing at ends and of a ground where . The boy at starts running in a direction perpendicular to with a speed of . The boy at2014Addition and Subtraction of Vectors
  39. 39A car covers the first half distance between two places at and the other half at . The average speed of the car is2014Rest and Motion
  40. 40The dimensions of universal gravitational constant is2014Dimensions
  41. 41Which two of the following quantities are dimensionally equivalent?2014Dimensions
  42. 42The temperature of an object is . Its value in Fahrenheit scale is2014Thermometry
  43. 43A pan filled with hot food cools from to in , when the room temperature is . The time taken for the food to cool from to will be2014Conduction
  44. 44A system containing a ball is oscillating on a frictionless horizontal plane. The position of the mass when its potential energy and its kin2014Simple Harmonic Motion
  45. 45The universal gas law constant is applicable to2014Thermodynamic Processes
  46. 46On an average, a human heart is found to beat 72 times a minute. Its frequency and period are2014Time Period and Frequency
  47. 47A hospital uses an ultrasonic scanner to locate tumors in a tissue. The operating frequency of the scanner is . The speed of sound in a tiss2014Speed of Sound Waves
  48. 48A policeman on duty detects a drop of in the pitch of the horn of a motor car as it crosses him. If the velocity of sound is , then calculat2014Doppler's Effect
  49. 49An electric dipole placed in a non-uniform electric field experiences2014Electric Dipole
  50. 50For a polar molecule, which of the following statements is true?2014Centre of mass of discrete particles
  51. 51A capacitor has been charged to a potential of . Suddenly if it explodes, the energy given out is2014Force and Energy stored in capacitor
  52. 52The region between the parallel plates of capacitor is filled with parallel layers of air and paper (of dielectric constant 4). The space be2014Capacitors with Dielectric
  53. 53Two copper wires, one of length and the other of length have the same resistance. The diameters are in the ratio2014Resistance and Resistivity
  54. 54Which of the following is a correct statement?2014Electric Power and Heating Effect of Current
  55. 55A proton and an -particle are projected with the same kinetic energy at right angles to a uniform magnetic field. The ratio of the radii of 2014Motion of Charged Particle in Magnetic Field
  56. 56The magnetic properties of a magnet is lost at its2014Magnetic Materials and their Properties
  57. 57Electromagnets are made of soft iron because soft iron has2014Magnetic Materials and their Properties
  58. 58Three charges and are placed at equal distances along a straight line. If the total of the system is zero, then the ratio becomes2014Electric Potential and Potential Energy
  59. 59The equivalent resistance of the circuit between and is2014Resistance and Resistivity
  60. 60The TV signals have a bandwidth of . The number of TV channels that can be accommodated with a band of is2014Communication System

Frequently Asked Questions

1.How many questions are in the COMEDK 2014 paper?

This paper has 180 questions in total - 60 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.What is the structure of the COMEDK 2014 paper?

The COMEDK 2014 paper on MARKS has 180 questions, organised by subject:

  • Chemistry: 60 questions - 60 single-correct.
  • Mathematics: 60 questions - 60 single-correct.
  • Physics: 60 questions - 60 single-correct.
4.What is the difficulty level of the COMEDK 2014 paper?

Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 104 (58%) are easy, 56 (31%) are medium and 20 (11%) are hard. Subject wise:

  • Chemistry: 33 easy, 18 medium, 9 hard
  • Mathematics: 35 easy, 19 medium, 6 hard
  • Physics: 36 easy, 19 medium, 5 hard
5.Which chapters had the most questions in the COMEDK 2014 paper?

The chapters with the most questions in each subject were:

  • Chemistry: p Block Elements (Group 15, 16, 17 & 18) (5), Alcohols Phenols and Ethers (4), and Structure of Atom (4).
  • Mathematics: Probability (5), Functions (4), and Three Dimensional Geometry (4).
  • Physics: Center of Mass Momentum and Collision (6), Current Electricity (5), and Electromagnetic Induction (5).
6.Where can I find the solutions for the COMEDK 2014 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 COMEDK 2014 paper to check my preparation?

Set a timer, attempt the 180 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 COMEDK. Repeating this with other papers shows whether the same weak spots keep coming back.

8.Will the COMEDK 2014 paper help me prepare for COMEDK 2027?

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