JEE Mains 2025 23 Jan Shift 1 & 2 Paper Solutions PDF, Download for Free

JEE Main 2025 Question Paper 23 January: The NTA was successfully conducted on Day 2 of the JEE Mains Session 1 on January 23, 2025. The 23 January JEE Mains 2025 Session 1 is held in two shifts: the first shift is from 9:00 to 12:00 a.m., and the second shift is from 3:00 to 6:00 a.m. According to the JEE Main 23 January shift 1 paper analysis, the exam was moderately difficult.

After the conclusion of each shift, we will provide you JEE Mains 23 January Question Paper with detailed Solutions on this page. Stay tuned with us to download the JEE Mains 2025 23 January Shift 1 & 2 Paper Solutions PDF for Free

JEE Mains 2025 23 January Shift 1 Paper Solutions

The JEE Mains 23 Jan Shift 1 & 2 Exam is concluded. JEE Main 23 January shift 1 paper was moderate in difficulty. According to students’ reactions, the maths paper was difficult due to its length and calculative nature. 

As the first shift exam is over, students who appeared in it can look for the JEE Main 23 Jan 23 Shift 1 Question Paper Solutions here and there. To address this issue, our in-house experts continuously evaluate Today’s memory-based question papers after the shift ends. This question paper answer key will not only help those who appeared in this shift but is also very important for scheduling these exams on upcoming days.

JEE Main 2025 Question Paper 2025 23 January Free PDF Download

As the exam is completed in CBT mode, The NTA does hand over any hardcopy of the JEE Main question paper after the exam concludes, For the convenience of the students will share the JEE Mains 2025 23 January Shift 1 Paper Solutions Free PDF very soon hereunder. However, it also be noted that this is a memory-based question paper, prepared by the insights shared by the students.

JEE Mains Shift 1 Paper Analysis 23 January 2025

Today’s JEE Main 23 January Shift 1 question paper has been rated moderate in overall difficulty. Experts reviewed that the mathematics part was a little difficult in shift 1, but overall, the paper was balanced and could be finished in the allotted time with adequate preparation.

• Chemistry:

According to the majority of students’ initial comments, the Chemistry questions were primarily easy, similar to the previous day’s morning shift.

• • Physical Chemistry was under-represented, with Organic and Inorganic Chemistry accounting for the majority.
  • The chemistry paper was straightforward to moderate, with questions on GOC-Aromaticity, solution, and coordination compound concepts.

• Physics:

This section of the JEE Mains 2025 23 Jan paper was easier than early shift questions, with many students thinking the segment to be the simplest of all.

• • The most popular topic was mechanics, although queries on waves, magnetism, and modern physics were also prevalent.

• Maths:

Students rated mathematics to be the most challenging section due to the length of the problems. According to experts and students, the maths paper was often difficult, calculative, and lengthy. Most students took 1–1.3 hours to complete maths papers.

• • According to student feedback, the questions covered calculus, vectors and 3D geometry, matrices and determinants, quadratic equations, coordinate geometry, and the binomial theorem.
  • At least one question was asked regarding relation and function, differentiation, integration, differential equation, and circle.
  • The 3D vector topic had two problems, but calculus only had one. Conic Section (parabola question) had 3-4 questions.
  • There was one question from the foot of the perpendicular.

JEE Mains 23 January Question Paper Shift 1  Difficulty level

We share the section-wise difficulty level of the JEE Mains 23 January Question paper in the table below.

Today JEE Mains 2025 23 January Shift 1 Question Paper Solutions

Check complete JEE Mains 2025 23 January Shift 1 Paper Solutions  below

1.   Which of these is aromatic in nature?

1. Cyclohexene
2. Cyclopropene
3. Benzene
4. Non-aromatic

Correct Answer: (c) Benzene

2.  Which of the following can show face-mer isomerism?

1. Co(en)₂Cl₂
2. [Co(NH₃)₄Cl]₂
3. [Co(H₂O)₆]₁X
4. [Co(NH₃)₃Cl₃]

Correct Answer: (a) Co(en)₂Cl₂

3. From the English alphabets, 5 letters are chosen and arranged in alphabetical order. The total number of ways in which the middle letter is M is:
(1) 300
(2) 380
(3) 260
(4) 320
Correct Answer: (3) 260

4.  The coefficients of thermal conductivity are given as:

K1 = 60W/m◦C, K2 = 120W/m◦C, K3 = 135W/m◦C
The temperature at the leftmost end is 100°C and the rightmost end is 0°C. Find the temperature θ at the junction.
(1) 50°C
(2) 60°C
(3) 75°C
(4) 80°C
Correct Answer: (3) 75°C

5. Consider the complex [Cu(NH3)4]2+. Which of the following statements is correct about this complex?
(1) The complex has a square planar geometry and the oxidation state of Cu is +2.
(2) The complex exhibits sp3 hybridization in the central metal ion.
(3) The ligand ammonia (NH3) is a bidentate ligand.
(4) The complex shows a d9 electronic configuration for the metal ion.
Correct Answer: (1) Only A

6. Which of the following elements doesn’t lie on the same period?
(a) Osmium
(b) Iridium
(c) Palladium
(d) Platinum
Correct Answer: (c) Palladium

7. Statement 1: Fructose can give Tollens’ test even though it does not have an aldehyde group.
Statement 2: When reacted with base, fructose can undergo rearrangement to produce an aldehyde group.
(1) If both Statement 1 and Statement 2 are true and Statement 2 is the correct explanation of the assertion.
(2) If both Statement 1 and Statement 2 are true but Statement 2 is not the correct explanation of the assertion.
(3) If Statement 1 is true but Statement 2 is false.
(4) If both Statement 1 and Statement 2 are false.
Correct Answer: (1) If both Statement 1 and Statement 2 are true and Statement 2 is the correct explanation of the assertion.

8. Electric flux φ is related with linear charge density λ and surface charge density σ
as φ = αλ + βσ. Where α and β are of appropriate dimension. The dimension of β is:

(1) ML2T−2
(2) ML3T−2
(3) ML2T−3
(4) ML3T−3
Correct Answer: (2) ML3T−2

9. Which of the following does not belong to the same group?
(1) Os
(2) Ir
(3) Pd
(4) Pt
Correct Answer: (3) Pd

10. If for an arithmetic progression, if first term is 3 and sum of first four terms is equal to of the sum of next four terms, then the sum of first 20 terms is
11. How many words can be formed from the word DAUGHTER such that any vowels are not together Two biased dies are tossed. Die 1 has 1 on two faces, 2 on two faces, 3 and 4 on other faces, while die 2 has 2 on 2 faces, 4 on 2 faces and 1 and 3 on other faces. Then the probability that when throwing these dices we get sum 4 or 5.

13. If f(x) is continuous at x = 0, where
f(x) = { (2/x) (sin(k 1 + 1)x + sin(k 2 + 1)x), x < 0
= { 4 x = 0
= { (2/x) (log(k 2 x + 1)/log(k 1 x + 1) x > 0
Find the value of k 1/2 + k 2/2.

14 Electric flux ϕ is related with linear charge density λ and surface charge density σ as ϕ = αλ + βσ, where α and ẞ are of appropriate dimensions of (β/a) is
The displacement of a particle as a function of time is x(t) = A sin(t) + B cos 2 (t) + ct 2 + D. Find the Dimension of [ABC/D].

JEE Mains 2025 23 January Shift 2 Paper Solutions

Shift 2 of the JEE Mains 2025 Session 1 Day 2 will take place from 3;00 P.M to 6:00 P.M, After the exam is over we will share the JEE Mains 2025 23 January Shift 2 Paper Solutions and complete analysis on this page. Students whose exam is scheduled on shift 2 are advised to go through the JEE Mains 23 January Shift 1 Paper analysis as well as the JEE Mains 22 January Question papers solutions to know what type of questions they may encounter.

JEE Main 23 January Shift 2 question paper analysis

To catch the first reaction to Today’s JEE Main 23 January Shift 2 question paper, our team is present at various exam centers. Once the students are coming out from the centers, we shares the first reaction of the test takers to know what is their first reaction after looking at the Today’s paper. We will also present the complete expert analysis of the JEE Mains 2025 23 January Question Paper dor the shift 2 below

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