JEE Mains 22 January Shift 1 & 2 Paper Solutions, Download PDF

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The National Testing Agency started the JEE Mains 2025 Session 1 Examination on January 22. As the exam is conducted in CBT Mode, to make things easy, we have included the JEE Mains 2025 22 Jan Shift 1 & 2 Paper Solutions PDF on this page.

The applicants’ initial reactions indicated that the overall paper was straightforward to moderate. Mathematics was lengthy but simple. Physics and Chemistry were easy to moderate. Check JEE Mains 2025 22 Jan Shift 1 & Shift 2 Paper Solutions on this website.

JEE Main 2025 22 Jan Paper with Solutions

The National Testing Agency (NTA) began the first session of the Joint Entrance Examination (JEE) Main 2025 on January 22. On the first day, students took the Engineering (BE/BTech) Paper 1 test. The computer-based test was taken in two sessions: 9 a.m. to 12 p.m. and 3 p.m. to 6 p.m. After the JEE Main 2025 exam ended , memory-based question papers, answer keys, and solutions for the 2025 January session has been made available for both shifts.

JEE Mains 22 January Shift 1 & 2 Paper Solutions PDF Download

We shares the JEE Main Question Paper 2025 with Solutions of January 22 Shift 1 Shift 2 pdf format below

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JEE Main Question Paper 2025 January 22 Shift 1	Download PDF
JEE mains 22 Jan shift 2 question paper	Download PDF

JEE Mains 22 January 2025 Shift 1 Paper Analysis

Check out the student reactions and analyses for the JEE Main 2025 Jan 22 shift 1 exam below:

Most students rated the overall paper as Moderate, with no technical issues throughout the CBT exam.
According to initial student evaluations, Mathematics was thought lengthy, whilst Physics and Chemistry were deemed simple to moderate.
Questions in Physics included topics like thermal physics, projectile motion, circuits, diodes, electromagnetic waves, and modern physics. Mathematics was simple but time-consuming, and chemistry was similarly simple. Many students anticipate scores above 200.
Shift 1 covered the following topics:
- Mathematics: statistics, probability, vectors and 3D geometry, matrices and determinants
- Physics: De Broglie wavelength, SMR, potentiometer, ray optics, heat, semiconductors.
- Chemistry: Mole concept, catalysts, and biomolecules. Organic and physical chemistry had more weight.

22 January JEE Mains Paper Analysis shift 2

As per the student reaction who appeared for Jan 22 shift 2:

Maths hard
Chemistry easy
Physics was easy to moderate

Check JEE Mains 22 January Section-wise analysis

The question paper had a total of 75 questions, divided equally across the three subjects:

The Mathematics portion in JEE Main 2025 22nd January Shift The 2 Question Paper was rated as Moderate, with 9 questions primarily covering topics such as integration, coordinate geometry, and so on.
Physics was rated as Tough, with 8 questions primarily from topics such as Modern Physics and Thermodynamics.
Chemistry was rated as Moderate, with 7 questions primarily from topics such as Organic Chemistry and Physical Chemistry.
Each section consisted of a mix of multiple-choice questions (MCQs) and numerical value-based questions, providing students with a fair challenge.

JEE Mains 2025 22 Jan Shift 1 Paper Solutions

The JEE Main 2025 Shift 1 exam runs from 9 a.m. to 12 p.m. and will include memory-based questions from the JEE Mains Question Paper 2025 Day 1 Shift 1 exam, based on the recollections of candidates who took the examination. Based on student feedback, we have compiled the following memory-based questions from the JEE Main B.Tech Shift 1 exam.
The JEE Main 2025 January 22 Shift 1 Question Paper Solutions is updated here.

Chemistry

1. What is the shape of the ClO2− ion according to VSEPR theory?
(1) Linear
(2) Bent
(3) Tetrahedral
(4) Trigonal Planar
Correct Answer: (2) Bent

2. In the reaction 2H2O2 → 2H2O + O2, what is the role of potassium iodide (KI) in this reaction?
(1) It acts as a catalyst.
(2) It acts as a reducing agent.
(3) It acts as an oxidizing agent.
(4) It decomposes to release iodine.
Correct Answer: (1) It acts as a catalyst.

3. In an oxidation-reduction reaction, what happens to the oxidation state of the central atom in MnO4− when it is reduced to Mn2+?
(1) The oxidation state increases from +7 to +2.
(2) The oxidation state decreases from +7 to +2.
(3) The oxidation state remains the same.
(4) The oxidation state increases from +2 to +7.
Correct Answer: (2) The oxidation state decreases from +7 to +2.

4. Which of the following compounds exhibits ionic bonding
(1) NaCl
(2) CCl4
(3) CO2
(4) SO2
Correct Answer: (1) NaCl

5. In the reaction 2A + B → C, if the rate law is Rate = k[A]2[B], what is the overall order of the reaction?
(1) 1
(2) 2
(3) 3
(4) 4
Correct Answer: (3) 3

6. What is the hybridization of the central atom in the molecule SO3?
(1) sp
(2) sp2
(3) sp3
(4) sp3d
Correct Answer: (2) sp2

7. Which of the following is the correct order of acidic strength for the following compounds: HNO3, HClO4, and HClO3?
(1) HClO4 >HNO3 >HClO3
(2) HNO3 >HClO3 >HClO4
(3) HClO3 >HNO3 >HClO4
(4) HClO4 >HClO3 >HNO3
Correct Answer: (1) HClO4 >HNO3 >HClO3

10.

Mathematics

1) The shortest distance between the lines (x – 1)/2 = (y-2)/3 = (z – 1)/4 and (x + 2)/7 = (y-2)/8 = (z + 1)/2

2) If f(x) = 16(sec-1x) 2 + (cosec-1x) 2. Then the maximum and minimum value of f(x) is respectively
If a 1, a2, a3…, a n are in geometric progression such that a 1 a 5 = 28, a 2 + 4 = 29, then the value of a 6 is

3) If 8 = 3 + (1/4)*(3+p) + (1/42)*(3+p2)+… ∞, then the value of p is

4) If A be a 3 x 3 square matrix such that det(A) = -2. If det(3 adj(-6 adj(3A))) = 2 x 3m, where m ≥ n, then 4m + 2n is equal to

Physics

1) Find the dimensions of B/μ ο.

2) Solid sphere of mass M, radius R, exerts force F on a point mass. Now a concentric spherical mass M/7 is removed. What is the new force?

3) Radius of electron in ground state for hydrogen is a 0, then radius of electron in He+ ion in 3rd excited state is a. Then a o/a is

4) Ice at – 10 degrees Celcius is to be converted into steam at 110 degrees Celcius. Mass of ice is 10-3 kg. what amount of heat is required?

5) Find the radius of curvature of the common surface of two bubbles (R 1 >R2)

10)

JEE Main 2025 22 Jan Shift 2 Paper Solutions

The JEE Main 2025 Shift 2 took place from 3 PM to 6 PM. In this section, we present a memory-based JEE Min 2025 Question Paper with analysis. It should be noted that the shift 2 question papers shared here are based on the recollections of candidates who took the test. Check JEE Mains 22 January Shift 2 Paper shared below.

1. Let D = {a, b, c}. How many distinct ways can D be partitioned into non-empty subsets, representing equivalence relations?
(1) 2
(2) 3
(3) 5
(4) 6
Correct Answer: (2) 3

2. A bag contains 4 red balls, 3 blue balls, and 2 green balls. Two balls are picked at random. What is the probability that both balls are of the same color?
(1) 1
(2) 2
(3) 4
(4) 5
Correct Answer: (4) 5

3. A circle passes through the points (1, 1) and (2, −1), and its center lies on the line
x + y = 4. What is the radius of the circle?
(1) √5
(2) √10
(3) √13
(4) √17
Correct Answer: (1) √5

4. A solid sphere of mass M , radius R exerts a gravitational force F on a point mass.
Now a concentric spherical mass M is removed. What is the new force?
(1) F
(2) 6F
(3) 5F
(4) 3F
Correct Answer: (2) 6F

5. Which of the following has the maximum size?
(1) Al3+
(2) Mg2+
(3) F−
(4) Na+
Correct Answer: (3) F−

6. In a bag, there are 6 white balls and 4 black balls. Two balls are drawn at random. What is the probability that both balls are white?
(1) 1
(2) 1
(3) 2
(4) 1
Correct Answer: (2) 1

7. How many compounds have a linear shape among SO2, BeCl2, N−, I−, NO+, NO2?
3 3 2
(1) 2
(2) 3
(3) 4
(4) 5
Correct Answer: (2) 3

8. A force F = 2ˆi + 3ˆj + 5kˆ acts on a particle moving in the direction of r = 2ˆi + 3ˆj + βkˆ. Find the value of β when the work done is zero.
(1) β = −2
(2) β = −3
(3) β = −4
(4) β = −5
Correct Answer: (2) β = −3

8. A mass of 100 g is projected with an initial velocity of 12 m/s at an angle of 60° with the horizontal. Find the difference between the kinetic energy at the point of projection and the kinetic energy at the highest point.
(1) 4.3 J
(2) 5.4 J
(3) 6.0 J
(4) 7.2 J
Correct Answer: (2) 5.4 J

10. A metal has a work function ϕ. When light of wavelength λ is incident on it, the kinetic energy of the ejected electrons is 2 eV. Find the new kinetic energy of the ejected electrons when light of wavelength λ/2 is used.
(1) 3 eV
(2) 4 eV
(3) 6 eV
(4) 8 eV
Correct Answer: (3) 6 eV

11. Two parallel wires carry currents of 5 A and 4 A in opposite directions. The wires are separated by a distance of 4 cm. Find the net magnetic field at a point midway between the two wires.
(1) 10 µT
(2) 15 µT
(3) 20 µT
(4) 25 µT
Correct Answer: (3) 20 µT

12. A force F = ˆi + 2ˆj + 2kˆ acts on a particle at position vector r = 2ˆi + 3ˆj + 4kˆ. Find the torque τ .
(1) τ = 2ˆi − 4ˆj + 3kˆ
(2) τ = 4ˆi − ˆj − 2kˆ
(3) τ = −2ˆi + 4ˆj − 3kˆ

(4) τ = 3ˆi − 2ˆj + 4kˆ
Correct Answer: (1) τ = 2ˆi − 4ˆj + 3kˆ

13. An equiconvex lens of focal length f is cut into four parts as shown in the diagram.
The focal length of each part is
(1) f
(2) f
(3) f
(4) f
Correct Answer: (2) f

14. Density of 3 M NaOH is 1.25 g/ml. Molality of solutions is.
(1) 2.65
(2) 2.5
(3) 2.8
(4) 3
Correct Answer: (1) 2.65

15. If |A| = 2, B = adj(adj2A), A is a matrix of 3×3 order and tr(A) = 3, tr(B) + |B| =?
(1) 4
(2) 6
(3) 2
(4) 8
Correct Answer: (2) 6

16. Find the current in the circuit at steady state, given R = 2 Ω.
(1) 1 A
(2) 2 A
(3) 3 A
(4) 4 A
Correct Answer: (1) 1 A

JEE Mains 22 Jan Shift 2 Question Paper

Check some memory based JEE Mains 2025 Shift 2 question paper for physics, chemistry and mathematics below

JEE Main 2025 22 jan Shift 2 Physics Paper

A proton is moving with uniform velocity of 2 x 10 8 m/s in uniform magnetic and electric fields which are perpendicular to each If electric field is switched off then proton moves in circular path of radius 1.6 x 10- 5 m. Then magnetic field is B
The displacement of a particle moving under a action of a force F = 2i + bj+ k is d= i + j+ Find the value of b if the work done by the force is zero
An Equiconvex lens of focal length f is cut into four parts as shown in the The focal length of each part is
Radius of a tube decreases from 2R to R in which ideal liquid is flowing at same Speed at one end is 2m/s as shown, find speed v at the other end
The dimensional formula of capacitance is

Shift 2 Chemistry Paper

Which one has two secondary Hydrogen atoms?

2, 2, 4, 4-tetramethylheptane
2, 2, 3, 4-tetramethylheptane
2, 2, 3, 3-tetramethyloctane
3-ethyl-2, 2-dimethylpentane

Density of 3 M NaOH is 1.25 g/ml. Molality of solutions is Arrange according to CFSE.

[CO(NH 3 ) 4 ] 2+
[CO(NH 3 ) 6 ] 3+
[CO(NH 3 ) 6 ] 2+
[CO(en) 3 ] 3

Which of the following anions will not undergoes disproportionate?

Compare the dipole moment of

NF 3
CHCl 3
H 2 S
HBr

JEE Main 2025 Today Shift 2 Mathematics Paper

4 boys and 3 girls are to be seated in a row such that all girls sit together and two particular boys B 1 and B 2 are not adjacent to each other. Then the number of ways in which this arrangement can be done
If 2x 2 + (cosθ)x – 1 = 0, θ ∈ (0, 2π) has roots α and β. Then the sum of the maximum and minimum values of α 4 + β 4 is–
If θ ∈ [0, 2π] satisfying the system of equations 2sin2θ = cos2θ and 2cos2θ = 3cosθ. Then the sum of all real values of θ
Let A = {1, 2, 3, 4) and B = {1, 4, 9, 16). If f: A→B, then the number of many-one functions from A to B is
Let a and b be two unit vectors such that the angle between a and b is π/3. If λa + 3b and 2a + λb are perpendicular to each other, then the product of all possible values of λ is