COMEDK 2017
Browse the complete Chemistry, Mathematics, and Physics question set from the COMEDK 2017 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 - 102 easy (57%), 56 moderate (31%) and 22 tough (12%). 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 57% easy, 32% moderate, 12% tough; Chemistry 58% easy, 33% moderate, 8% tough; Mathematics 55% easy, 28% moderate, 17% tough.
Chemistry questions were spread across 25 chapters, with General Organic Chemistry (7), Chemical Bonding and Molecular Structure (6), and Some Basic Concepts of Chemistry (5) carrying the most weight. Mathematics questions were spread across 28 chapters, with Complex Number (5), Hyperbola (5), and Trigonometric Ratios & Identities (5) carrying the most weight. Physics questions were spread across 23 chapters, with Current Electricity (9), Waves and Sound (6), and Electrostatics (5) carrying the most weight.
Chemistry
- 1The correct order in which the first ionisation potential increases is2017Periodic properties
- 2of monobasic acid requires of sodium hydroxide solution whose normality is2017Concentration terms
- 3The IUPAC name for tertiary butyl iodide is2017IUPAC Nomenclature
- 4When sulphur dioxide is passed in an acidified solution, the oxidation state of sulphur is changed from2017Oxidation number
- 5Mass of mole of methane is2017Mole concept
- 6Methoxy methane and ethanol are2017Isomerism of Organic Compounds
- 7When the azimuthal quantum number has the value of 2 , the number of orbitals possible are2017Quantum mechanical model
- 8For the reaction, , the volume of carbon monoxide required to reduce one mole of ferric oxide is2017Quantitative measures in chemical equations
- 9The monomers of buna-S rubber are2017Preparation and Properties of Polymers
- 10An element with atomic number 21 is a2017Properties of D-block elements
- 11The maximum number of hydrogen bonds that a molecule of water can have is2017Van Der Waals Forces, Hydrogen Bonding and Metallic Bonding
- 12A gas deviates from ideal behaviour at a high pressure because its molecules2017Kinetic theory of gases
- 13The reagent used to convert an alkyne to alkene is2017Reactions of alkenes
- 14When, compared to for the formation of , the for the formation of is2017Third law of thermodynamics
- 15In order to increase the volume of a gas by , the pressure of the gas should be2017Gas laws and Ideal Gas Equation
- 16Catalytic dehydrogenation of a primary alcohol gives a/an2017Method of preparation for both aldehydes and ketones
- 17Excess of reacts with con(c) giving2017Halogens and Its Compounds
- 18If one mole of ammonia and one mole of hydrogen chloride are mixed in a closed container to form ammonium chloride gas, then2017First Law and Basic Fundamentals of Thermodynamics
- 19The compound on dehydrogenation gives a ketone. The original compound is2017Method of preparation for both aldehydes and ketones
- 20Which is the most easily liquefiable rare gas?2017Noble Gases
- 21Mesomeric effect involves delocalisation of2017Conjugation and Aromaticity
- 22Which of the following has the maximum number of unpaired -electrons?2017Properties of D-block elements
- 23One mole of which of the following has the highest entropy?2017Entropy and Second law of thermodynamics
- 24Which of the following species does not exert a resonance effect?2017Conjugation and Aromaticity
- 25A complex compound in which the oxidation number of a metal is zero, is2017Terminology of coordination compounds
- 26Three moles of , three moles of and two moles of are taken in a closed vessel. If at equilibrium the vessel has moles of , the number of mol2017Quantitative measures in chemical equations
- 27How many optically active stereomers are possible for butan-2, 3-diol?2017Isomerism of Organic Compounds
- 28An octahedral complex is formed when hybrid orbitals of the following type are involved2017Hybridisation and VSEPR Theory
- 29For the reaction, , the equilibrium constant depends upon2017Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
- 30The angle strain in cyclobutane is2017Hybridisation and VSEPR Theory
- 31The number of nodal planes present in -antibonding orbital is2017Quantum mechanical model
- 32Which of the following electrolytic solution has the least specific conductance?2017Conductance and Conductivity
- 33The overlapping of orbitals in benzene is of the type2017Hybridisation and VSEPR Theory
- 34The calculated bond order of superoxide ion is2017Molecular Orbital Theory
- 35Which of the following can be measured by the Ostwald-Walker dynamic method?2017Colligative Properties and Abnormal Molecular Masses
- 36-propyl bromide on treating with alcoholic produces2017Properties and Preparation of Alkenes
- 37Mercury is a liquid metal because2017Properties of D-block elements
- 38A compound is formed by elements and . This crystallises in the cubic structure, where the atoms are at the corners of the cube and atoms ar2017Cubic system
- 39Anisole can be prepared by the action of methyl iodide on sodium phenate. The reaction is called2017Preparation of Ethers
- 40Malleability and ductility of metals can be accounted due to2017Properties and Types of Solids
- 41An ionic compound is expected to have tetrahedral structure if lies in the range of2017Cubic system
- 42Among the following, which is least acidic?2017Electron displacement effects
- 43A ligand can also be regarded as2017Terminology of coordination compounds
- 44The colour of sky is due to2017Colloids
- 45Which of the following organic compounds answers to both iodoform test and Fehling's test?2017Tests for aldehyde and ketones
- 46Helium is used in balloons in place of hydrogen because it is2017Noble Gases
- 47The basic principle of Cottnell's precipitator is2017Properties of colloidal solution
- 48When carbon monoxide is passed over solid caustic soda heated to , it forms2017Compounds of Alkali Metals
- 49Heat. What is the effect of the increase of temperature on the equilibrium of the reaction?2017Le chatelier's principle
- 50Hydrogen gas is not liberated when the following metal is added to dil. HCl2017Cells and Electrode Potential, Nernst Equation
- 51Consider the Born-Haber cycle for the formation of an ionic compound, given below and identify the compound forme(d)2017Ionic bond
- 52In the brown ring test, the brown colour of the ring is due to2017Radicals
- 53Amines behave as2017Preparation and Properties of Amines
- 54Dalda is prepared from oils by2017Fats
- 55The chemical name of anisole is2017IUPAC Nomenclature
- 56The number of disulphide linkages present in insulin are2017Proteins
- 57of oxygen contains as many atoms as in2017Mole concept
- 58Which metal has a greater tendency to form metal oxide?2017Alkaline Earth Metals
- 59Identify the reaction that does not take place in a blast furnace.2017Extraction of Metals
- 60Waxes are esters of2017Reactions of Alcohols
Mathematics
- 1Which of the following is an even function?2017Odd and Even Functions
- 2If and , then is2017Questions on number of relations and sets
- 3If be a binary operation on a set and be the identity element w.r.t. *, then is said to be inverse of w.r.t. * , if2017Mathematical Reasoning
- 4If in a , then2017T inverse T property
- 5The sides of a triangle are in AP. If then2017Basic Identities & T Ratios
- 6The value of is equal to2017Basic Identities & T Ratios
- 7The value of is equal to2017Basic Identities & T Ratios
- 8The value of2017Basic Identities & T Ratios
- 9The value of is equal to2017Basic Identities & T Ratios
- 10For all is divisible by2017Mathematical Induction
- 11The statement ! is2017Mathematical Induction
- 12If , then2017Polar and Euler Form
- 13If , then modulus of the complex number is equal to2017Conjugate, modulus and argument
- 14The modulus of is2017Conjugate, modulus and argument
- 15If are real numbers and is a complex cube root of unity such that , then2017Cube Root of Unity
- 16If the cube roots of unity are , then the roots of the equation are2017Cube Root of Unity
- 17Let be the roots of the equation . A root of the equation is2017Relation between Roots and Coefficients
- 18The sum of all 4-digit numbers that can be formed by using the digits (repetition of digits is not allowed) is2017Summation of Numbers
- 19In how many ways can 4 red, 3 yellow and 2 green discs be arranged in a row, if the discs of the same colour are indistinguishable?2017Permutation
- 20Find the number of ways of choosing 4 face cards from a pack of 52 playing cards.2017Classical Definition of Probability
- 21Given, the positive integers and the coefficients of th and th terms in the expansion of are equal, then2017Terms of Binomial Expansion
- 22Let the HM and GM of two positive numbers and be in the ratio , then is2017Geometric Progression
- 23If are subtracted respectively from four numbers forming a , the resulting numbers are in , then the smallest of the four numbers is2017Arithmetic Progression
- 24to is equal to2017Summation of Series
- 25Let be a right angled isosceles triangle, right angled at . If the equation of is , then the combined equation of the lines and is2017Locus
- 26The sides of a triangle are and . Its circumcentre is2017Circle Connected to Triangle
- 27Find the coordinates of the foci and the length of the latusrectum of the hyperbol(a)2017General Equation of 2nd degree curve
- 28The line is a tangent to the hyperbola . Its point of contact is2017Tangent to hyperbola
- 29Chords of the circle touch the hyperbola . The locus of the mid-points of the chords is2017Tangent to hyperbola
- 30If the latusrectum of a hyperbola subtends a right angle at the other focus, then its eccentricity is2017General Equation of 2nd degree curve
- 31From the point two tangents are dawn to the hyperbola . If is the angle between them, then2017Tangent to hyperbola
- 32Let and be the end points of a diameter of a sphere. Then, the radius of the sphere is equal to2017Heights and Distances
- 33Differentiate w.r.t. .2017Differentiation of Inverse Trigonometric Functions
- 34, where is decreasing for2017Monotonicity
- 35Find the approximate value of .2017Rate Measure Error and Approximation
- 36Find the point on the curve , where the slope of the tangent is equal to the coordinate of the point.2017Tangent to Parabola
- 37Find the equations of the tangent and the normal to the curve at2017Tangent Normal
- 38If , then is equal to2017Logarithm
- 39Evaluate .2017Fundamental of Indefinite Integration
- 40The value of is2017Miscellaneous Forms
- 41Evaluate .2017Miscellaneous
- 42Evaluate .2017Miscellaneous
- 43To area bounded by the lines2017Area bounded by two curves
- 44The value of is2017Miscellaneous Forms
- 45If , then2017Properties of Definite Integration
- 46is equal to2017Properties of Definite Integration
- 47The differential equation of is2017Formation of Differential Equation
- 48If and , then find2017Product of 2 vectors
- 49The value of , where , , is2017Scalar Triple Product
- 50If , then2017Inverse of a Matrix
- 51If , the cofactor of are2017Miscellaneous
- 52An anti-aircraft gun can take a maximum of 4 shots at an enemy plane moving away from it. The probabilities of hitting the plane at the firs2017Total Probability
- 53The negation of the statement "If I become a teacher, then I will open a school", is2017Mathematical Reasoning
- 54Maximize subject to, .2017Linear Programming
- 55Find the transformed equation of the straight line , when the origin is shifted to the point after translation of axes.2017Coordinate System
- 56If , where and are positive integers that form an increasing and is a square of an integer, then2017Logarithm
- 57A random variable has the following probability distribution : Find the (c)(d)f. of2017Random Variable and its Probability Distribution
- 58From a lot of 20 items containing 4 defective items, 2 items are drawn at random. If denotes the number of defective items, then find the me2017Random Variable and its Probability Distribution
- 59The total number of subsets of a finite set has 56 more elements than the total number of subsets of another finite set . What is the number2017Questions on number of relations and sets
- 60If , then the value of is2017Logarithm
Physics
- 1When a body falls in air, the resistance of air depends to a great extent on the shape of the body. Three different shapes are given Identif2017Motion Under Gravity
- 2The adjacent figure is the part of a horizontally stretched net. Section is stretched with a force of . The tensions in the sections and are2017Equilibrium of Forces
- 3Out of the following four dimensional quantities. which one qualifies to be called a dimensional constant?2017Dimensions
- 4The relationship between the force and position of a body is as shown in the figure. The work done in displacing the body from to will be2017Work done
- 5From the top of a tower, two stones whose masses are in the ratio are thrown-one straight up with an initial speed and the second straight d2017Projectile motion
- 6If is the mass of the earth and its radius, the ratio of the gravitational acceleration and the gravitational constant is2017Newton's Law of Gravitation
- 7A student unable to answer a question on Newton's laws of motion attempts to pull himself up by tugging on his hair. Me will not succeed2017Newton's laws of motion
- 8From the adjacent figure, the correct observation is2017Pressure and thrust
- 9Which one of the following is not a tunit of Young's modulus?2017Units
- 10A piece of blue glass heated to a high temperature and a piece of red glass at room temperature are taken inside a dimly lit room. Then2017Radiation
- 11The wavelength of the radiation emitted by a body depends upon2017Radiation
- 12An ideal monoatomic gas is taken around the cycle as shown in the diagram. The work done during the cycle is given by2017First Law of Thermodynamics
- 13Which mirror is to be used to obtain a parallel beam of light from a small lamp?2017Mirror Formula, Reflection in Spherical Mirror
- 14Which of the following is a wrong statement?2017Lens Formula, Refraction of light from curved surface
- 15Identify the wrong description of the below figures.2017Human eye
- 16Infrared radiation was discovered in 1800 by2017Electromagnetic Spectrum
- 17A particle on the trough of a wave at any instant will come to the mean position after a time time period2017Travelling Waves
- 18The disc of a siren containing 60 holes rotates at a constant speed of . The emitted sound is in unison with a tuning-fork of frequency2017Travelling Waves
- 19The ratio of velocity of sound in hydrogen and oxygen at STP is2017Speed of Sound Waves
- 20In an experiment with sonometer a tuning fork of frequency resonates with a length of and another tuning fork resonates with a length of . T2017Vibration of String
- 21The apparent frequency of a note is . When a listener is moving with a velocity of towards a stationary source. When he moves away from the 2017Doppler's Effect
- 22The wave theory of light, in its original form, was first postulated by2017Matter Waves
- 23If a liquid does not wet glass, its angle of contact is2017Surface tension
- 24The magnitude of in ampere unit is2017Resistance and Resistivity
- 25Electron of mass and charge is travelling with a speed along a circular path of radius at right angles to a uniform magnetic field of intens2017Motion of Charged Particle in Magnetic Field
- 26If the potential difference across the internal resistance is equal to the of the battery, then2017Electric Cell or Battery
- 27By using only two resistance coils-singly, in series, or in parallel-one should be able to obtain resistances of and 16 ohms. The separate r2017Resistance and Resistivity
- 28The electrons in the beam of a television tube move horizontally from South to North. The vertical component of the earth's magnetic field p2017Force and Torque on Current Carrying Conductor
- 29A tangent galvanometer has a reduction factor of and it is placed with the plane of its coil perpendicular to the magnetic meridian. The def2017Magnetic Equipments
- 30In the given circuit, the voltmeter records . The resistance of the voltmeter (in ohms) is2017Electric Instruments
- 31Three long, straight and parallel wires, carrying current, are arranged as shown in figure. The force experienced by a length of wire is2017Force and Torque on Current Carrying Conductor
- 32A A current is setup in an external circuit by a storage battery for . The chemical energy of the battery is reduced by2017Electric Power and Heating Effect of Current
- 33The current in a simple series circuit is . When an additional resistance of is inserted, the current drops to . The original resistance of 2017Resistance and Resistivity
- 34In the circuit given and . The equivalent resistance of the circuit (in ) is2017Resistance and Resistivity
- 35Two resistances are connected in two gaps of a meterbridge. The balance point is from the zero en(d) A resistance of is connected in series 2017Wheatstone Bridge
- 36An electric field of and a magnetic field of act on a moving electron. The minimum uniform speed along a straight line the electron could ha2017Motion of Charged Particle in Magnetic Field
- 37In an ammeter of main current is passing through the galvanometer. If the resistance of the galvanometer is , then the shunt resistance (in 2017Electric Instruments
- 38Among the following properties describing diamagnetism identify the property that is wrongly state(d) I. Diamagnetic material do not have pe2017Magnetic Materials and their Properties
- 39The induction coil works on the principle of2017Self and Mutual Inductance
- 40The square root of the product of inductance and capacitance has the dimension of2017Dimensions
- 41The electric flux for Gaussian surface that enclose the charged particles in free space is (Given, )2017Electric Flux and Gauss Law
- 42Four metal conductors having different shapes a sphere, cylindrical, pear, lightning conductor are mounted on insulating stands and charge(d2017Electric Charge and Coulomb's law
- 43The potential to which a conductor is raised, depends on2017Electric Potential and Potential Energy
- 44The work done in carrying a charge once round a circle of radius with a charge at the centre is2017Electric Potential and Potential Energy
- 45An air filled parallel plate condenser has a capacity of . The separation of the plates is doubled and the interspace between the plates is 2017Capacitors with Dielectric
- 46Identify the wrong statement in the following. Coulomb's law correctly describes the electric force that2017Electric Charge and Coulomb's law
- 47A single slit of width is illuminated by violet light of wavelength and the width of the diffraction pattern is measured as . When half of t2017Diffraction of Light
- 48At Kavalur in India, the astronomers using a telescope whose objective had a diameter of one metre started using a telescope of diameter . T2017Optical Instruments
- 49When unpolarised light beam is incident from air onto glass at the polarising angle2017Polarization of Light
- 50Select the correct statement from the following.2017Wave Theory and Wavefronts
- 51Two coherent light beams of intensity and are superpose(d) The maximum and minimum possible intensities in the resulting beam are2017Interference and Superposition of Waves
- 52From the figure describing photoelectric effect we may infer correctly that2017Photoelectric Effect
- 53The electron in a hydrogen atom makes a transition from to state. The time period of the electron in the initial state is eight times that i2017Bohr's Atomic Model
- 54If the forward voltage in a diode is increased, then the width of the depletion region2017Diodes
- 55Two nucleons are at a separation of one Fermi. Protons have a charge of . The net nuclear force between them is , if both are neutrons, if b2017Nuclear structure
- 56The energy that should be added to an electron to reduce its de-Broglie wavelength from to is2017Matter Waves
- 57Mean life of a radioactive sample is . Then, its half-life (in min) is2017Radioactivity
- 58Consider two nuclei of the same radioactive nuclide. One of the nuclei was created in a supernova explosion 5 billion years ago. ihe other w2017Radioactivity
- 59Bohr's atom model assumes2017Bohr's Atomic Model
- 60Identify the property which is not characteristic for a semi-conductor.2017Semiconductors
Frequently Asked Questions
1.How many questions are in the COMEDK 2017 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.How is the COMEDK 2017 paper structured?
The COMEDK 2017 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.How difficult is the COMEDK 2017 paper?
Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 102 (57%) are easy, 56 (31%) are medium and 22 (12%) are hard. Subject wise:
- Chemistry: 35 easy, 20 medium, 5 hard
- Mathematics: 33 easy, 17 medium, 10 hard
- Physics: 34 easy, 19 medium, 7 hard
5.Which chapters were asked the most in the COMEDK 2017 paper?
The chapters with the most questions in each subject were:
- Chemistry: General Organic Chemistry (7), Chemical Bonding and Molecular Structure (6), and Some Basic Concepts of Chemistry (5).
- Mathematics: Complex Number (5), Hyperbola (5), and Trigonometric Ratios & Identities (5).
- Physics: Current Electricity (9), Waves and Sound (6), and Electrostatics (5).
6.Where can I find the solutions for the COMEDK 2017 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 2017 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 2017 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.