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JEE Main 2014 12th April Online

Browse the complete Chemistry, Mathematics, and Physics question set from the JEE Main 2014 12th April Online paper, question by question. Each question shows a quick preview so you can jump straight to the topic or subject you want to revise. Click through to attempt the full question in practice mode, or head back to the paper-wise list to download the entire paper as a PDF.

This paper has 90 questions in total - 31 easy (34%), 44 moderate (49%) and 15 tough (17%). That's a fairly typical mix for this exam. By subject: Physics 37% easy, 43% moderate, 20% tough; Chemistry 43% easy, 50% moderate, 7% tough; Mathematics 23% easy, 53% moderate, 23% tough.

Chemistry questions were spread across 21 chapters, with Structure of Atom (3), Alcohols Phenols and Ethers (2), and Classification of Elements and Periodicity in Properties (2) carrying the most weight. Mathematics questions were spread across 24 chapters, with Sequences and Series (3), Determinants (2), and Differential Equations (2) carrying the most weight. Physics questions were spread across 25 chapters, with Current Electricity (2), Dual Nature of Matter (2), and Magnetic Effects of Current (2) carrying the most weight.

Chemistry

  1. 1If and are the mass and charge of the revolving electron in the orbit of radius for hydrogen atom, the total energy of the revolving electro12 Apr, 2014 (Online)Bohr's model
  2. 2The de-Broglie wavelength of a particle of mass moving with a velocity of is:12 Apr, 2014 (Online)Dual Behaviour of Matter and Heisenberg Uncertainty Principle
  3. 3What happens when an inert gas is added to an equilibrium keeping volume unchanged?12 Apr, 2014 (Online)Le chatelier's principle
  4. 4The amount of formed upon mixing 100 of solution with of solution will be: and )12 Apr, 2014 (Online)Quantitative measures in chemical equations
  5. 5The rate coefficient for a particular reactions is at , and at . What is the energy of activation (in for this reaction? molar gas constant 12 Apr, 2014 (Online)Arrhenius theory
  6. 6How many electrons would be required to deposit of copper at the cathode during the electrolysis of an aqueous solution of copper sulphate? 12 Apr, 2014 (Online)Types of half cells
  7. 7The of the following substances are: (g) 69.9.JK The entropy change for the reaction (l) is:12 Apr, 2014 (Online)Entropy and Second law of thermodynamics
  8. 8The conjugate base of hydrazoic acid is:12 Apr, 2014 (Online)Theories of Acids and Bases
  9. 9In a monoclinic unit cell, the relation of sides and angles are respectively:12 Apr, 2014 (Online)Crystal Structure of Solids
  10. 10The standard enthalpy of formation for methane, is . In order to calculate the average energy given out in the formation of a bond from this12 Apr, 2014 (Online)Laws of Thermochemistry and Enthalpy Change
  11. 11Which of the following xenon-oxo compounds may not be obtained by hydrolysis of xenon fluorides?12 Apr, 2014 (Online)Noble Gases
  12. 12Excited hydrogen atom emits light in the ultraviolet region at . With this frequency, the energy of a single photon is:12 Apr, 2014 (Online)Hydrogen spectrum
  13. 13Which one of the following exhibits the large number of oxidation states?12 Apr, 2014 (Online)Properties of D-block elements
  14. 14Copper becomes green when exposed to moist air for a long period. This is due to:12 Apr, 2014 (Online)Properties of D-block elements
  15. 15Among the following species the one which causes the highest CFSE, as a ligand is:12 Apr, 2014 (Online)Crystal Field Theory
  16. 16Similarity in chemical properties of the atoms of elements in a group of the Periodic table is most closely related to:12 Apr, 2014 (Online)Modern periodic table
  17. 17Which of the following arrangements represents the increasing order (smallest to largest) of ionic radii of the given species ?12 Apr, 2014 (Online)Periodic properties
  18. 18Global warming is due to increase of:12 Apr, 2014 (Online)Air Pollution
  19. 19Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the follo12 Apr, 2014 (Online)Chemical properties of hydrogen peroxide
  20. 20Which one of the following complexes will most likely absorb visible light? (At nos. )12 Apr, 2014 (Online)Crystal Field Theory
  21. 21on mercuration-demercuration produces the major product:12 Apr, 2014 (Online)Reactions of alkenes
  22. 22In the Victor-Meyer's test, the colour given by and alcohols are respectively:12 Apr, 2014 (Online)Reactions of Alcohols
  23. 23Conversion of benzene diazonium chloride to chlorobenzene is an example of which of the following reactions?12 Apr, 2014 (Online)Preparation and Properties of Aryl Halides
  24. 24In the presence of peroxide, and do not give anti-Markownikoff's addition of alkenes because:12 Apr, 2014 (Online)Reactions of alkenes
  25. 25The major product obtained in the photo catalysed bromination of 2-methylbutane is:12 Apr, 2014 (Online)Preparation and Properties of Monohalides
  26. 26Which of the following molecules has two sigma and two pi bonds?12 Apr, 2014 (Online)Molecular Orbital Theory
  27. 27Which one of the following acids does not exhibit optical isomerism?12 Apr, 2014 (Online)Isomerism of Organic Compounds
  28. 28Aminoglycosides are usually used as:12 Apr, 2014 (Online)Drugs and It's Classification
  29. 29Which of the following will not show mutarotation?12 Apr, 2014 (Online)Carbohydrates
  30. 30Phthalic acid reacts with resorcinol in the presence of concentrated to give:12 Apr, 2014 (Online)Reactions of Phenol

Mathematics

  1. 1A relation on the set , where is the set of integers is defined by . Then the number of elements in the power set of is:12 Apr, 2014 (Online)Questions on number of relations and sets
  2. 2Let be any complex number such that is a purely imaginary number. Then is:12 Apr, 2014 (Online)Algebra of complex numbers
  3. 3The sum of the roots of the equation, , is:12 Apr, 2014 (Online)Relation between Roots and Coefficients
  4. 4If then is equal to:12 Apr, 2014 (Online)Expansion of Determinants
  5. 5If and be such that , then:12 Apr, 2014 (Online)Product of Matrices
  6. 68-digit numbers are formed using the digits 1, 1, 2, . The number of such numbers in which the odd digits do no occupy odd places, is:12 Apr, 2014 (Online)Combination
  7. 7If is expanded in the ascending powers of and the coefficients of powers of in two consecutive terms of the expansion are equal, then these 12 Apr, 2014 (Online)Terms of Binomial Expansion
  8. 8Let be the geometric mean of two positive numbers and , and be the arithmetic mean of and . If is , then can be:12 Apr, 2014 (Online)Geometric Progression
  9. 9The least positive integer such that , is:12 Apr, 2014 (Online)Geometric Progression
  10. 10Let be two functions defined by and Statement I: is a continuous function at . Statement II: is a differentiable function at .12 Apr, 2014 (Online)Differentiability
  11. 11If , and is its inverse function, then equals:12 Apr, 2014 (Online)Inverse of a Function
  12. 12Let and be two differentiable functions on such that and for all . Then for all :12 Apr, 2014 (Online)Differentiation of composite functions
  13. 13If , for all in , then is:12 Apr, 2014 (Online)Summation of Series
  14. 14Preview not available - open to view this question.12 Apr, 2014 (Online)Integration by Substitution
  15. 15If [ ] denotes the greatest integer function, then the integral is equal to:12 Apr, 2014 (Online)Properties of Definite Integration
  16. 16If for a continuous function , , for all , then is equal to:12 Apr, 2014 (Online)Linear Differential Equation
  17. 17The general solution of the differential equation, , is :12 Apr, 2014 (Online)Homogeneous DE
  18. 18If a line intercepted between the coordinate axes is trisected at a point , which is nearer to -axis, then its equation is:12 Apr, 2014 (Online)Basic Forms of Straight Line
  19. 19If the three distinct lines and are concurrent, then the point lies on :12 Apr, 2014 (Online)Concurrency & Family of Lines
  20. 20For the two circles and , there is/are12 Apr, 2014 (Online)Common Tangents
  21. 21Two tangents are drawn from a point to the curve, . If is the angle between them, then is equal to:12 Apr, 2014 (Online)Pair of Tangents
  22. 22The minimum area of a triangle formed by any tangent to the ellipse and the co-ordinate axes is:12 Apr, 2014 (Online)Tangent to ellipse
  23. 23A symmetrical form of the line of intersection of the planes and is12 Apr, 2014 (Online)Plane in Space
  24. 24If the distance between planes, 0 and is 7 , then is:12 Apr, 2014 (Online)Plane in Space
  25. 25If and are three unit vectors in threedimensional space, then the minimum value of12 Apr, 2014 (Online)Product of 2 vectors
  26. 26Let and M.D. be the mean and the mean deviation about of observations ,n. If each of the observations is increased by 5 , then the new mean 12 Apr, 2014 (Online)Mean Square Deviation
  27. 27A number is chosen at random from the set , . Define the event: the chosen number satisfies Then is:12 Apr, 2014 (Online)Classical Definition of Probability
  28. 28Statement I: The equation has a solution for all . Statement II: For any , and12 Apr, 2014 (Online)Converting one Inverse T function to other Inverse T
  29. 29If and and are respectively the maximum and the minimum values of , then is equal to:12 Apr, 2014 (Online)Expansion of Determinants
  30. 30Let denote arbitrary statements. Then the logically equivalent of the statement is:12 Apr, 2014 (Online)Mathematical Reasoning

Physics

  1. 1From the following combinations of physical constants (expressed through their usual symbols) the only combination, that would have the same12 Apr, 2014 (Online)Dimensions
  2. 2A person climbs up a stalled escalator in . If standing on the same but escalator running with constant velocity he takes . How much time is12 Apr, 2014 (Online)Relative Motion
  3. 3Three masses and are moving in plane with speed and respectively as shown in figure. The three masses collide at the same point at and stick12 Apr, 2014 (Online)Collisions
  4. 4A bullet of mass is fired horizontally with a speed of into block of wood at rest on a table. If the coefficient of friction between the blo12 Apr, 2014 (Online)Frictional force
  5. 5A spring of unstretched length 1 has a mass with one end fixed to a rigid support. Assuming spring to be made of a uniform wire, the kinetic12 Apr, 2014 (Online)Energy
  6. 6A particle is moving in a circular path of radius a, with a constant velocity as shown in the figure. The centre of circle is marked by ' '.12 Apr, 2014 (Online)Angular momentum and Angular impulse
  7. 7Two hypothetical planets of masses and are at rest when they are infinite distance apart. Because of the gravitational force they move towar12 Apr, 2014 (Online)Gravitational potential and Potential Energy
  8. 8Steel ruptures when a shear of is applied. The force needed to punch a diameter hole in a steel sheet thick is nearly:12 Apr, 2014 (Online)Shearing stress
  9. 9A cylindrical vessel of cross-section A contains water to a height . There is a hole in the bottom of radius ' '. The time in which it will 12 Apr, 2014 (Online)Hydrodynamics
  10. 10Two soap bubbles coalesce to form a single bubble. If is the subsequent change in volume of contained air and change in total surface area, 12 Apr, 2014 (Online)Surface tension
  11. 11Hot water cools from to in the first 10 minutes and to in the next 10 minutes. The temperature of the surroundings is:12 Apr, 2014 (Online)Radiation
  12. 12A Carnot engine absorbs of heat energy from a reservoir at and rejects of heat energy during each cycle. The efficiency of engine and temper12 Apr, 2014 (Online)Heat Engine, Refrigerator and Second Law of Thermodynamics
  13. 13At room temperature a diatomic gas is found to have an r.m.s. speed of . The gas is:12 Apr, 2014 (Online)Speed of Gas
  14. 14Which of the following expressions corresponds to simple harmonic motion along a straight line, where is the displacement and are positive c12 Apr, 2014 (Online)Simple Harmonic Motion
  15. 15A source of sound A emitting waves of frequency is falling towards ground with a terminal speed . The observer on the ground directly beneat12 Apr, 2014 (Online)Doppler's Effect
  16. 16A spherically symmetric charge distribution is characterised by a charge density having the following variations: for for Where is the dista12 Apr, 2014 (Online)Electric Field and Electric Field Lines
  17. 17The space between the plates of a parallel plate capacitor is filled with a 'dielectric' whose 'dielectric constant' varies with distance as12 Apr, 2014 (Online)Capacitors with Dielectric
  18. 18The circuit shown here has two batteries of and and three resistors and and a capacitor of . How much is the current in the circuit in stead12 Apr, 2014 (Online)Kirchoffs Laws
  19. 19A positive charge ' ' of mass ' ' is moving along the axis. We wish to apply a uniform magnetic field B for time so that the charge reverses12 Apr, 2014 (Online)Motion of Charged Particle in Magnetic Field
  20. 20Consider two thin identical conducting wires covered with very thin insulating material. One of the wires is bent into a loop and produces m12 Apr, 2014 (Online)Magnetic Field
  21. 21A sinusoidal voltage is applied across a pure inductance of . The current through the coil is:12 Apr, 2014 (Online)Alternating Current, Voltage and Power
  22. 22A lamp emits monochromatic green light uniformly in all directions. The lamp is efficient in converting electrical power to electromagnetic 12 Apr, 2014 (Online)Electromagnetic Waves and Maxwell's equations
  23. 23The refractive index of the material of a concave lens is . It is immersed in a medium of refractive index . A parallel beam of light is inc12 Apr, 2014 (Online)Lens Formula, Refraction of light from curved surface
  24. 24Interference pattern is observed at ' ' due to superimposition of two rays coming out from a source ' ' as shown in the figure. The value of12 Apr, 2014 (Online)Interference of Light
  25. 25In an experiment of single slit diffraction pattern, first minimum for red light coincides with first maximum of some other wavelength. If w12 Apr, 2014 (Online)Diffraction of Light
  26. 26A beam of light has two wavelengths of and with a total intensity of equally distributed among the two wavelengths. The beam falls normally 12 Apr, 2014 (Online)Photoelectric Effect
  27. 27A piece of bone of an animal from a ruin is found to have activity of 12 disintegrations per minute per gm of its carbon content. The activi12 Apr, 2014 (Online)Radioactivity
  28. 28For LED's to emit light in visible region of electromagnetic light, it should have energy band gap in the range of:12 Apr, 2014 (Online)Matter Waves
  29. 29For sky wave propagation, the radio waves must have a frequency range in between:12 Apr, 2014 (Online)Propagation of EM Waves
  30. 30In the experiment of calibration of voltmeter, a standard cell of e.m.f. volt is balanced against of potential wire. The potential differenc12 Apr, 2014 (Online)Electric Instruments

Frequently Asked Questions

1.How many questions are in the JEE Main 2014 12th April Online paper?

This paper has 90 questions in total - 30 each from Chemistry, Mathematics, and Physics.

2.Can I practise questions from just one subject?

Yes. Use the Chemistry, Mathematics, and Physics tabs at the top of the page to jump directly to that subject's question set within this paper.

3.How is the JEE Main 2014 12th April Online paper structured?

The JEE Main 2014 12th April Online paper on MARKS has 90 questions, organised by subject:

  • Chemistry: 30 questions - 30 single-correct.
  • Mathematics: 30 questions - 30 single-correct.
  • Physics: 30 questions - 30 single-correct.
4.How difficult is the JEE Main 2014 12th April Online paper?

Each question on MARKS carries a difficulty rating. Of the 90 rated questions in this paper, 31 (34%) are easy, 44 (49%) are medium and 15 (17%) are hard. Subject wise:

  • Chemistry: 13 easy, 15 medium, 2 hard
  • Mathematics: 7 easy, 16 medium, 7 hard
  • Physics: 11 easy, 13 medium, 6 hard
5.Which chapters were asked the most in the JEE Main 2014 12th April Online paper?

The chapters with the most questions in each subject were:

  • Chemistry: Structure of Atom (3), Alcohols Phenols and Ethers (2), and Classification of Elements and Periodicity in Properties (2).
  • Mathematics: Sequences and Series (3), Determinants (2), and Differential Equations (2).
  • Physics: Current Electricity (2), Dual Nature of Matter (2), and Magnetic Effects of Current (2).
6.Are there any out-of-syllabus questions in the JEE Main 2014 12th April Online paper?

Yes. 16 of the 90 questions in this paper are marked on MARKS as outside the current syllabus. You can still practise them for the concept, but they are a lower priority if you are short on time.

7.Where can I find the solutions for the JEE Main 2014 12th April Online paper?

Open any question on this page. Its page shows the correct answer and, where one is available, the worked solution. A downloadable PDF of the whole paper is coming soon.

8.How should I use the JEE Main 2014 12th April Online paper to check my preparation?

Set a timer, attempt the 90 questions as you would in the exam, and only then open the answers. Note which subjects and chapters cost you the most marks, and revise those first using the chapter-wise practice for JEE Main. Repeating this with other papers shows whether the same weak spots keep coming back.

9.Will the JEE Main 2014 12th April Online paper help me prepare for JEE Main 2027?

Yes. Every past paper shows the question styles and topics JEE Main has asked before, and a solved paper gives you a realistic benchmark for speed and accuracy. Use it along with the other papers to spot the chapters that keep returning.