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JEE Main 2019 10th January Evening Shift

Browse the complete Chemistry, Mathematics, and Physics question set from the JEE Main 2019 10th January Evening Shift 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 shift as a PDF.

This paper has 90 questions in total - 27 easy (30%), 48 moderate (53%) and 15 tough (17%). That's a fairly typical mix for this exam. By subject: Physics 27% easy, 60% moderate, 13% tough; Chemistry 23% easy, 53% moderate, 23% tough; Mathematics 40% easy, 47% moderate, 13% tough.

Chemistry questions were spread across 21 chapters, with Aldehydes and Ketones (3), p Block Elements (Group 15, 16, 17 & 18) (3), and Biomolecules (2) carrying the most weight. Mathematics questions were spread across 22 chapters, with Determinants (3), Application of Derivatives (2), and Binomial Theorem (2) carrying the most weight. Physics questions were spread across 21 chapters, with Current Electricity (3), Mathematics in Physics (3), and Oscillations (3) carrying the most weight.

Chemistry

  1. 1The 71 st electron of an element X with an atomic number of 71 enters the orbital:10 Jan, 2019 (E)Electronic configuration
  2. 2The haemoglobin and the gold sol are examples of10 Jan, 2019 (E)Properties of colloidal solution
  3. 3Among the following reactions of hydrogen with halogens, the one that requires a catalyst is:10 Jan, 2019 (E)Halogens and Its Compounds
  4. 4The number of 2 -centre- 2 -electron and 3 -centre- 2 -electron bonds in B 2 H 6 , respectively, are:10 Jan, 2019 (E)Boron and Its Compounds
  5. 5The ground state energy of a hydrogen atom is - 13 .6 eV . The energy of second excited state of He + ion in eV is:10 Jan, 2019 (E)Bohr's model
  6. 6The amount of sugar C 12 H 22 O 11 required to prepare 2 L of its 0 .1 M aqueous solution is:10 Jan, 2019 (E)Solubility and Concentration of Solutions
  7. 7A reaction of cobalt ( III ) chloride and ethylenediamine in a 1 : 2 mole ratio generates two isomeric products A (violet-coloured) and B (g10 Jan, 2019 (E)Isomerism of coordination compounds
  8. 8In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of CO 2 is:10 Jan, 2019 (E)Redox titration
  9. 9A compound of formula A 2 B 3 has the HCP lattice. Which atom forms the HCP lattice and what fraction of the tetrahedral voids are occupied 10 Jan, 2019 (E)Cubic system
  10. 10The pair that contains two P - H bonds in each of the oxoacids is:10 Jan, 2019 (E)Phosphorus and Its Compounds
  11. 11The process with negative entropy change is:10 Jan, 2019 (E)Entropy and Second law of thermodynamics
  12. 12The elevation in boiling point for 1 molal solution of glucose is 2 K . The depression in freezing point for 2 molal solution of glucose in 10 Jan, 2019 (E)Colligative Properties and Abnormal Molecular Masses
  13. 13Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:10 Jan, 2019 (E)Nitrogen and Its Compounds
  14. 14The electrolytes usually used in the electroplating of gold and silver, respectively, are:10 Jan, 2019 (E)Extraction of Metals
  15. 15For an elementary chemical reaction, A 2 k - 1 k 1 2 A , the expression for d A dt is:10 Jan, 2019 (E)Parallel and Sequencial rate laws
  16. 165 .1 g NH 4 SH is introduced in 3 .0 L evacuated flask at 327 o C . 30 % of the solid NH 4 SH is decomposed to NH 3 and H 2 S as gases. The 10 Jan, 2019 (E)Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  17. 17An ideal gas undergoes isothermal compression from 5 m 3 to 1 m 3 against a constant external pressure of 4 N m - 2 . The heat released in t10 Jan, 2019 (E)First Law and Basic Fundamentals of Thermodynamics
  18. 18In the cell, Pt s H 2 g , 1 bar HCl aq AgCl s Ag s Pt s , the cell potential is 0 .92 V when a 10 - 6 molar HCl solution is used. The standa10 Jan, 2019 (E)Cells and Electrode Potential, Nernst Equation
  19. 19The difference in the number of unpaired electrons of a metal ion in its high-spin and low-spin octahedral complexes is two. The metal ion i10 Jan, 2019 (E)Crystal Field Theory
  20. 20The major product obtained in the following reaction is:10 Jan, 2019 (E)Chemical reactions for aldehydes and ketones
  21. 21The major product of the following reaction is:10 Jan, 2019 (E)Chemical reactions for aldehydes and ketones
  22. 22An aromatic compound A having molecular formula C 7 H 6 O 2 , on treating with aqueous ammonia and heating forms compound B . The compound B10 Jan, 2019 (E)Preparation and Properties of Acid Derivatives
  23. 23Which of the following tests cannot be used for identifying amino acids?10 Jan, 2019 (E)Proteins
  24. 24The major product of the following reaction is10 Jan, 2019 (E)Reactions of Phenol
  25. 25The reaction that is not involved in the ozone layer depletion mechanism in the stratosphere is10 Jan, 2019 (E)Air Pollution
  26. 26What is the IUPAC name of the following compound?10 Jan, 2019 (E)IUPAC Nomenclature
  27. 27Which is the most suitable reagent for the following transformation?10 Jan, 2019 (E)Tests for aldehyde and ketones
  28. 28The correct match between item I and item II is Item I (Compound) Item II (Reagent) a . Lysine p . 1 - naphthol b . Furfural q . Ninhydrin c10 Jan, 2019 (E)Properties and Preparation of Amino Acids
  29. 29What will be the major product in the following mononitration reaction?10 Jan, 2019 (E)Reactions of aromatic compounds
  30. 30The major product of the following reaction is:10 Jan, 2019 (E)Classification of Polymers

Mathematics

  1. 1Let z = 3 2 + i 2 5 + 3 2 - i 2 5 . If R z and I z respectively denote the real and imaginary parts of z , then10 Jan, 2019 (E)Conjugate, modulus and argument
  2. 2If r = 0 25 C r 50 C 25 - r 50 - r = K C 25 50 , then K is equal to10 Jan, 2019 (E)Series involving Product of Coefficients
  3. 3A curve amongst the family of curves represented by the differential equation, x 2 - y 2 d x + 2 x y d y = 0 which passes through 1 , 1 , is10 Jan, 2019 (E)Exact Forms
  4. 4With the usual notation in A B C , if A + B = 120 , a = 3 + 1 units and b = 3 - 1 units, then the ratio A : B is10 Jan, 2019 (E)Sine Rule and its application
  5. 5If the mean and standard deviation of 5 observations x 1 , x 2 , x 3 , x 4 , x 5 are 10 and 3 , respectively, then the variance of 6 observa10 Jan, 2019 (E)Measures of Dispersion
  6. 6The length of the chord of the parabola x 2 = 4 y having equation x - 2 y + 4 2 = 0 is10 Jan, 2019 (E)Chord of parabola
  7. 7If the probability of hitting a target by a shooter, in any shot is 1 3 , then the minimum number of independent shots at the target require10 Jan, 2019 (E)Total Probability
  8. 8Two vertices of a triangle are 0 , 2 and 4 , 3 . If its orthocenter is at the origin, then its third vertex lies in which quadrant?10 Jan, 2019 (E)Coordinate System
  9. 9The value of cot n = 1 19 cot - 1 1 + p = 1 n 2 p is:10 Jan, 2019 (E)Infinite Series
  10. 10A helicopter is flying along the curve given by y - x 3 2 = 7 , x 0 . A soldier positioned at the point 1 2 , 7 , who wants to shoot down th10 Jan, 2019 (E)Tangent Normal
  11. 11The value of such that sum of the squares of the roots of the quadratic equation, x 2 + 3 - x + 2 = has the least value is:10 Jan, 2019 (E)Range of Quadratic Function
  12. 12Two sides of a parallelogram are along the lines, x + y = 3 and x - y + 3 = 0 . If its diagonals intersect at 2 , 4 , then one of its vertex10 Jan, 2019 (E)Coordinate System
  13. 13Let f : - 1 , 1 R be a function defined by f x = m a x - x , - 1 - x 2 . If K be the set of all points at which f is not differentiable, the10 Jan, 2019 (E)Differentiability
  14. 14The value of - / 2 / 2 d x x + sin x + 4 , where t denotes the greatest integer less than or equal to t , is10 Jan, 2019 (E)Properties of Definite Integration
  15. 15If x 5 e - 4 x 3 d x = 1 48 e - 4 x 3 f x + C , where C is a constant of integration, then f x is equal to10 Jan, 2019 (E)Integration by Parts
  16. 16Let f x be a differentiable function such that f ' x = 7 - 3 4 f x x , x 0 and f 1 4 . Then lim x 0 + x f 1 x10 Jan, 2019 (E)Linear Differential Equation
  17. 17Let S = x , y R 2 : y 2 1 + r - x 2 1 - r = 1 , where r 1 . Then S represents:10 Jan, 2019 (E)Equation of Ellipse
  18. 18Let A = 2 b 1 b b 2 + 1 b 1 b 2 , where b 0 . Then the minimum value of det A b is:10 Jan, 2019 (E)Expansion of Determinants
  19. 19Let = - 2 a + b and = 4 - 2 a + 3 b , be two given vectors where vectors a and b are non-collinear. The value of for which vectors and are c10 Jan, 2019 (E)Algebra of Vectors
  20. 20The tangent to the curve, y = x e x 2 passing through the point 1 , e also passes through the point:10 Jan, 2019 (E)Tangent Normal
  21. 21The plane which bisects the line segment joining the points - 3 , - 3 , 4 and 3 , 7 , 6 at right angles, passes through which one of the fol10 Jan, 2019 (E)Plane in Space
  22. 22The number of values of 0 , for which the system of linear equations x + 3 y + 7 z = 0 - x + 4 y + 7 z = 0 sin 3 x + cos 2 y + 2 z = 0 has a10 Jan, 2019 (E)System of Linear Equations
  23. 23If 0 x f t d t = x 2 + x 1 t 2 f t d t , then f ' 1 2 is10 Jan, 2019 (E)Leibnitz Rule of Differentiation
  24. 24On which of the following lines lies the point of intersection of the line, x - 4 2 = y - 5 2 = z - 3 1 and the plane, x + y + z = 2 ?10 Jan, 2019 (E)Line and Plane
  25. 25Let a 1 , a 2 , a 3 , a 10 be in G . P . with a i 0 for i = 1 , 2 , , 10 and S be the set of pairs r , k , r , k N (the set of natural numbe10 Jan, 2019 (E)Expansion of Determinants
  26. 26Consider the following three statements: P : 5 is a prime number Q : 7 is a factor of 192 R : LCM of 5 and 7 is 35 Then the truth value of w10 Jan, 2019 (E)Mathematical Reasoning
  27. 27The value of cos 2 2 cos 2 3 cos 2 10 sin 2 10 is:10 Jan, 2019 (E)Trigonometric Series
  28. 28The positive value of for which the co-efficient of x 2 in the expansion x 2 x + x 2 10 is 720 , is10 Jan, 2019 (E)Terms of Binomial Expansion
  29. 29Let N be the set of natural numbers and two functions f and g be defined as f , g : N N such that f n = n + 1 2 , i f n i s o d d n 2 , i f 10 Jan, 2019 (E)Types of Function (Mapping)
  30. 30If the area of an equilateral triangle inscribed in the circle x 2 + y 2 + 10 x + 12 y + c = 0 is 27 3 sq . units , then c is equal to:10 Jan, 2019 (E)line and circle

Physics

  1. 1An unknown metal of mass 192 g heated to a temperature of 100 C was immersed into a brass calorimeter of mass 128 g containing 240 g of wate10 Jan, 2019 (E)Degree of Freedom and Specific Heat
  2. 2A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The chargi10 Jan, 2019 (E)Charging and Discarging of capacitors
  3. 3A closed organ pipe has a fundamental frequency of 1.5 kHz . The number of overtones that can be distinctly heard by a person with this orga10 Jan, 2019 (E)Organ Pipe (Vibration of Air Column)
  4. 4Consider a Young s double slit experiment as shown in figure. What should be the slit separation d in terms of wavelength such that the firs10 Jan, 2019 (E)Youngs Double Slit Experiment
  5. 5The actual value of resistance R , shown in the figure is 30 . This is measured in an experiment as shown using the standard formula R = V I10 Jan, 2019 (E)Resistance and Resistivity
  6. 6A hoop and a solid cylinder of same mass and radius are made of a permanent magnetic material with their respective axes. But the magnetic m10 Jan, 2019 (E)Time Period and Frequency
  7. 7A particle executes simple harmonic motion with an amplitude of 5 c m . When the particle is at 4 c m from the mean position, the magnitude 10 Jan, 2019 (E)Time Period and Frequency
  8. 8The eye can be regarded as a single refracting surface. The radius of curvature of this surface is equal to that of the cornea ( 7 .8 mm ) .10 Jan, 2019 (E)Lens Formula, Refraction of light from curved surface
  9. 9Charges - q and + q , located at A and B , respectively, constitute an electric dipole. Distance A B = 2 a , O is the mid point of the dipol10 Jan, 2019 (E)Electric Potential and Potential Energy
  10. 10The self induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10 A to 25 A in 1 s , the change in the e10 Jan, 2019 (E)Inductance
  11. 11A particle which is experiencing a force, given by F = 3 i ^ - 12 j ^ , undergoes a displacement of d = 4 i ^ . If the particle had a kineti10 Jan, 2019 (E)Energy
  12. 12Two stars of masses 3 10 31 kg each, and at distance 2 10 11 m rotate in a plane about their common centre of mass O . A meteorite passes th10 Jan, 2019 (E)Gravitational potential and Potential Energy
  13. 13Two identical spherical balls of mass M and radius R each are stuck on two ends of a rod of length 2 R and mass M (see figure). The moment o10 Jan, 2019 (E)Moment of inertia of rigid bodies
  14. 142 kg of a monoatomic gas is at a pressure of 4 10 4 N m - 2 . The density of the gas is 8 kg m - 3 . What is the order of energy of the gas 10 Jan, 2019 (E)Pressure and Energy of gas
  15. 15A metal plate of area 1 10 - 4 m 2 is illuminated by a radiation of intensity 16 m i l l i W m 2 . The work function of the metal is 5 e V .10 Jan, 2019 (E)Photoelectric Effect
  16. 16A rigid massless rod of length 3 l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizont10 Jan, 2019 (E)Rotational kinematics
  17. 17A cylindrical plastic bottle of negligible mass is filled with 310 m l of water and left floating in a pond with still water. If pressed dow10 Jan, 2019 (E)Time Period and Frequency
  18. 18The modulation frequency of an A M radio station is 250 k H z , which is 10 % of the carrier wave. If another A M station approaches you for10 Jan, 2019 (E)Communication System
  19. 19The Wheatstone bridge shown in the figure below, gets balanced when the carbon resistor used as R 1 has the colour code (orange, red, brown)10 Jan, 2019 (E)Wheatstone Bridge
  20. 20Half mole of an ideal monoatomic gas is heated at a constant pressure of 1 atm from 20 C to 90 C . Work done by the gas is ( Gas constant, R10 Jan, 2019 (E)Thermodynamic Processes
  21. 21The electric field of a plane polarized electromagnetic wave in free space at time t = 0 is given by the expression E x , y = 10 j ^ c o s 610 Jan, 2019 (E)Electromagnetic Waves and Maxwell's equations
  22. 22Consider the nuclear fission, Ne 20 2 He 4 + C 12 . Given that the binding energy/nucleon of Ne 20 , He 4 and C 12 are 8.03 MeV , 7.86 MeV ,10 Jan, 2019 (E)Nuclear reactions
  23. 23For the circuit shown below, the current through the Zener diode is10 Jan, 2019 (E)Diodes
  24. 24A particle starts from the origin at time t = 0 and moves along the positive x - axis. The graph of velocity with respect to time is shown i10 Jan, 2019 (E)Graphs of motion in one dimension
  25. 25At some location the horizontal component of earth s magnetic field is 18 10 - 6 T . At this location, magnetic needle of length 0.12 m and 10 Jan, 2019 (E)Earths magnetic field
  26. 26Four equal point charges Q each are placed in the x y plane at 0 , 2 , 4 , 2 , 4 , - 2 and 0 , - 2 . The work required to put a fifth charge10 Jan, 2019 (E)Electric Potential and Potential Energy
  27. 27A current of 2 mA was passed through an unknown resistor which dissipated a power of 4.4 W . Dissipated power when an ideal power supply of 10 Jan, 2019 (E)Electric Power and Heating Effect of Current
  28. 28The diameter and height of a cylinder are measured by a meter scale to be 12.6 0.1 c m and 34.2 0.1 c m , respectively. What will be the val10 Jan, 2019 (E)Errors of Measurement
  29. 29Two vectors A and B have equal magnitudes. The magnitude of A + B is n times the magnitude of A - B . The angle between A and B is:10 Jan, 2019 (E)Multiplication of Vectors
  30. 30Two forces P and Q , of magnitude 2 F and 3 F , respectively, are at an angle with each other. If the force Q is doubled, then their resulta10 Jan, 2019 (E)Addition and Subtraction of Vectors

Frequently Asked Questions

1.How many questions are in the JEE Main 2019 10th January Evening Shift 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 shift.

3.Is this the same paper for all students who appeared in the evening shift?

JEE Main uses different question sets across shifts and sessions to maintain exam integrity, so this page reflects the specific paper administered in the 10th January 2019 evening shift.

4.Where can I find the morning shift paper for the same date?

The JEE Main 2019 10th January Morning Shift paper is listed separately - you can switch to it from the "JEE Main Paper Wise PYQs" panel, under JEE Main 10th January 2019.

5.What is the structure of the JEE Main 2019 10th January Evening Shift paper?

The JEE Main 2019 10th January Evening Shift 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.
6.What is the difficulty level of the JEE Main 2019 10th January Evening Shift paper?

Each question on MARKS carries a difficulty rating. Of the 90 rated questions in this paper, 27 (30%) are easy, 48 (53%) are medium and 15 (17%) are hard. Subject wise:

  • Chemistry: 7 easy, 16 medium, 7 hard
  • Mathematics: 12 easy, 14 medium, 4 hard
  • Physics: 8 easy, 18 medium, 4 hard
7.Which chapters had the most questions in the JEE Main 2019 10th January Evening Shift paper?

The chapters with the most questions in each subject were:

  • Chemistry: Aldehydes and Ketones (3), p Block Elements (Group 15, 16, 17 & 18) (3), and Biomolecules (2).
  • Mathematics: Determinants (3), Application of Derivatives (2), and Binomial Theorem (2).
  • Physics: Current Electricity (3), Mathematics in Physics (3), and Oscillations (3).
8.Are there any out-of-syllabus questions in the JEE Main 2019 10th January Evening Shift paper?

Yes. 21 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.

9.Where can I find the solutions for the JEE Main 2019 10th January Evening Shift 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 shift is coming soon.

10.How should I use the JEE Main 2019 10th January Evening Shift 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.

11.Will the JEE Main 2019 10th January Evening Shift 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.