NEET 2025 Chemistry Answer Key & Question Paper Analysis: PDF Download
National Eligibility Cum Entrance Test 2026 ( NEET )
NEET OMR Sheet Objection Window
13 Jul '26 - 15 Jul '26
The NEET 2025 exam was conducted offline across various exam centres in India. Top coaching institutes released the unofficial NEET chemistry answer key PDFs in online mode.
NEET 2025 Chemistry answer key is important to know to calculate the marks after the exam. 22.7 lakh applicants appeared in the NEET 2025 exam in 5,453 exam centres across 566 cities in India and abroad last year. After the completion of the NEET exam, top coaching institutes like Allen, Resonance, Akash, Sri Chaitanya, and Pathfinder released unofficial NEET 2025 Chemistry answer keys. Allen released NEET chemistry subject answer key for set 45, while Resonance and Aakash released the NEET answer key 2025 for code 48. Students can check the NEET Chemistry answer key 2025 pdf released by some top coaching institutes are given below.
NEET 2025 Chemistry Question Paper & Answer Key PDF by Allen
NEET 2025 Question Paper & Answer Key PDF by Resonance
NEET UG Question Paper & Answer Key PDF by Aakash
NEET 2025 Chemistry Answer Key by Sri Chaitanya
NEET 2025 Chemistry Answer Key by Pathfinder
The NEET 2025 exam comprised 200 questions. Out of the total, there were a total of 50 questions from Chemistry section. Students were required to attempt 45 of those chemistry questions. The National Eligibility cum Entrance Test (NEET) is one of the most competitive exams in India for students aspiring to pursue medical and dental courses. By checking the unofficial NEET answer key one can calculate their marks in exam.
Also Read:
- NEET Chemistry Answer Key PDF Download
- NEET Chemistry Question Paper 2025 Analysis
- Accessing NEET 2025 Chemistry Question Paper PDF
- NEET 2025 Marking Scheme
NEET Chemistry Answer Key PDF Download
Students can check the NEET Chemistry 2025 answer key released by different coaching institutes from the below mentioned table.
| Coaching Institutes |
NEET 2024 Chemistry Answer Key & Solution PDF |
SET wise |
|---|---|---|
| Resonance |
NEET 2025 Question Paper & Answer Key PDF | 48 |
| Allen |
45 | |
| Sri Chaitanya |
- | |
| Aakash |
48 | |
| Pathfinder |
- |
Also Read:
| How was Re NEET Exam June 21 2026? |
| NEET 2026 Expected Cutoff: Safe Score for Government MBBS Colleges |
| Re NEET 2026 Question Paper with Answer Key Solutions: PDF Download for All Codes |
Use the NEET Rank Predictor tool by Shiksha.com to predict your rank based on the expected NEET score
NEET Rank Predictor
Commonly asked questions
There will be no sectional qualifying criterion for NEET 2025. NTA releases overall qualifying marks or cutoff marks for each category. The overall marks will be considered while preparing the rank list for NEET. But to ensure a good score, candidates must ensure a high number of attempts with full accuracy. A skewed performance might hamper the overall marks obtained in NEET.
Yes, the NEET 2025 exam pattern was changed. NTA announced the change in the exam pattern on January 25, 2025, to enable candidates prepare accordingly. The optional questions were removed. Instead of 200 questions, there were 180 questions. The total duration of NEET 2025 was reduced from 200 minutes to 180 minutes or three hours now.
The NEET exam is conducted offline in pen and paper mode. The NEET exam pattern is as such-
- There are 180 MCQs.
- 45 are from Physics, 45 from Chemistry and 90 from Biology (Botany and Zoology).
- Each question is of 4 marks.
- The total marks are 720.
- The exam duration is 3 hours.
The NEET UG exam comprises Physics, Chemistry and Biology sections. There are a total 180 questions in the exam. The exam carries 720 marks. The section wise-wightage of these three sections is shared below-
NEET Physics- 45 questions (180 marks)
NEET Chemistry- 45 questions (180 marks)
NEET Biology (Botany & Zoology)- 90 questions (360 marks)
NEET Chemistry Question Paper 2025 Analysis
The topic-wise and unit-wise bifurcation of the Chemistry subject NEET exam is mentioned in the table below. This can also explain about the NEET exam analysis 2025.
| Unit |
Topic |
Number of Questions |
Weightage of Questions |
|---|---|---|---|
| Organic Chemistry |
Environmental Chemistry - Gaseous Air Pollutants |
1 |
2% |
| Aromatic Compound - Aromaticity |
2 |
4% |
|
| Reaction Mechanism - Solvent, Electrophile, Nucleophile, and Leaving group ability |
3 |
6% |
|
| Biomolecule & Polymer-Carbohydrate: Monosaccharide, Disaccharide, Polysaccharide |
2 |
4% |
|
| Hydrocarbon Part I - Alkane |
1 |
2% |
|
| General Organic Chemistry - Inductive Effect |
1 |
2% |
|
| Chemistry in Everyday Life |
1 |
2% |
|
| Carboxylic acid and Derivatives - Preparation of Carbonyl Compounds |
3 |
6% |
|
| Grignard Reagent |
1 |
2% |
|
| IUPAC nomenclature - Fundamental of Organic Chemistry |
3 |
6% |
|
| Inorganic Chemistry |
Chemical Bonding - Introduction to Bonding and Ionic bond |
4 |
8% |
| Metallurgy - ORES and method of concentration |
2 |
4% |
|
| Periodic Table - Development of Periodic Table, Period, Group and Block |
2 |
4% |
|
| S-Block Element - Electronic configuration and Physical Properties of alkali metals |
2 |
4% |
|
| P-Block Element (B and C) - Physical and chemical properties of Group 13th elements |
1 |
2% |
|
| Coordination Compound - General introduction of complex salts and definitions to be used |
2 |
4% |
|
| Hydrogen Compounds - Position of hydrogen in the periodic table; methods of preparation and properties |
1 |
2% |
|
| p-Block (Nitrogen and Oxygen) - Physical and Chemical properties of Group 15th elements |
1 |
2% |
|
| d-f Block Element - Electronic configuration, atomic and ionic size, density, melting and boiling points |
2 |
4% |
|
| Physical Chemistry |
Chemical Equilibrium -Properties of Equilibrium, Law of mass action, Equilibrium constant and its properties, Factors affecting Equilibrium constant, Unit of KC and KP |
1 |
2% |
| Chemical Kinetics - Rate of reaction, Factors affecting rate of reaction |
2 |
4% |
|
| Electrochemistry - Basic Terminology, Construction of Electrochemical Cell and Its Representation |
2 |
4% |
|
| Gaseous State - Gas Laws (Boyle, Charles, Gaylussac, Avogadro’s Law, Ideal Gas Equation) |
1 |
2% |
|
| Mole Concept - Units, Atoms, Molecules, Atomic mass, Molecular mass, Gram atomic mass, Gram molecular mass, RAM, Average atomic mass |
1 |
2% |
|
| Solid State - Basics of Solid State |
2 |
4% |
|
| Surface Chemistry - Adsorption |
1 |
2% |
|
| Solution Colligative Properties - Concentration Terms |
1 |
2% |
|
| Atomic Structure - Cathode, Anode rays, Basic definitions and Rutherford atomic model |
2 |
4% |
|
| Redox Reaction - Calculation of oxidation number |
1 |
2% |
|
| Thermodynamics - Basic definition |
1 |
2% |
Also Read: NEET 2026 Preparation Strategy for Class 11 & 12 Students (Subject-wise Plan)
Accessing NEET 2025 Chemistry Question Paper PDF
The chemistry section in the NEET question paper was conducted in multiple sets this year to prevent malpractices. Though the questions were the same but they were jumbled up from top to bottom in different orders. This year NEET chemistry question paper was tougher compared to last year hence to score good marks in this section was difficult. The official NEET question paper PDF is released by the National Testing Agency (NTA) on the official website 2-3 months after the conclusion of the exam.
Also Read:
| NEET 2026 Expected Cutoff Marks & Qualyfiying Percentile (Category-wise) | |
| NEET marks vs rank | NEET 2026 cutoff |
Commonly asked questions
The NEET 2026 exam pattern has been released. The NTA mentioned the pattern in the information bulletin. There is no change in the NEET pattern. The NTA changed the NEET question paper pattern in 2025. The NTA removed the optional questions and the exam duration was reduced by 20 minutes.
The NTA has introduced the given changes for NEET UG 2026 Re exam-
- The NTA extends exam duration. The re-exam will be held from 2:00 to 5:15 PM.
- The NTA has increased the rough work space to 4 pages.
- The NTA redesigns the question paper booklet by adding two rough pages just after the introduction.
NEET question paper contains objective-type multiple-choice questions (MCQs). The NEET questions are asked from Physics, Chemistry and Biology. The format of questions can be-
- Direct questions
- Statement-based
- Match the following
- Assertion reason
- Diagram based questions
- Equation based
The NEET exam carries negative marking of 1 mark for each wrong answer. Candidates should mark their answers carefully in the exam to avoid the penalty.
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NEET 2025 Marking Scheme
In order to calculate the exact score, students must know the NEET marking scheme. Each question carries a maximum of 4 marks. For each incorrect answer, 1 mark will be deducted hence applicants must be cautious while attempting the questions.
| Marks |
|
|---|---|
| For each correct answer in Chemistry subject in NEET exam |
+4 |
| For each incorrect answer in Chemistry subject in NEET exam |
-1 |
Read More:
- What is a Safe/ Good Score in NEET UG 2026 for General, OBC, ST and ST Category?
- NEET 2026 Mock Test Strategy: When to Start & How Many Tests to Take
| NEET 2026 Answer Key Allen; PDF Download (All Sets) | |
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