NEET UG

Chemistry

Medical Entrance
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Chapter-wise Mock Tests

Practice chapter by chapter with NCERT-based NEET-pattern MCQs.

Physical Chemistry

Chemical Bonding (Test 1)

Inorganic Chemistry

Coordination Compounds (Test 1)

Organic Chemistry

Basic Organic Principles (Test 1)

Study Material

Concept notes, formula sheets, solved examples and diagrams — read before you test.

Physical Chemistry Notes

Key Topics & Weightage Analysis

Chemical Bonding Coordination Compounds Hydrocarbons Aldehydes & Ketones Chemical Thermodynamics Ionic & Chemical Equilibrium Electrochemistry Solutions & Colligative Properties Chemical Kinetics p-Block & d-Block Elements Biomolecules

In the NEET UG medical entrance examination, Chemistry constitutes 50 questions (45 to be attempted across Section A and Section B) for a total of 180 marks out of 720. High-scoring aspirants consistently secure 160+ marks by mastering NCERT line-by-line theory, memorizing core inorganic exceptions, practicing organic named mechanisms, and executing numerical calculations with speed and precision.

Section High-Yield NEET Topics Avg. Questions Expected Marks
Physical Chemistry Solutions, Electrochemistry, Chemical Kinetics, Thermodynamics, Ionic Equilibrium 15–17 Questions 60–68 Marks
Inorganic Chemistry Chemical Bonding, Coordination Compounds, Periodic Table, d & f-Block Elements 14–16 Questions 56–64 Marks
Organic Chemistry GOC & Isomerism, Hydrocarbons, Carbonyl Compounds, Amines, Biomolecules 16–18 Questions 64–72 Marks

Essential NEET Chemistry Formulae & Reaction Principles

Solutions & Colligative Properties:
Relative lowering of vapour pressure: \( \frac{P^\circ - P}{P^\circ} = i X_{\text{solute}} \)
Osmotic pressure: \( \pi = i C R T \)
Freezing point depression: \( \Delta T_f = i K_f m \), Boiling elevation: \( \Delta T_b = i K_b m \).
Chemical & Ionic Equilibrium:
Gas equilibrium: \( K_p = K_c (R T)^{\Delta n_g} \)
Henderson-Hasselbalch (Buffer): \( \text{pH} = \text{p}K_a + \log_{10}\frac{[\text{Conjugate Base}]}{[\text{Acid}]} \)
Solubility product: \( K_{sp} = x^x y^y S^{x+y} \).
Electrochemistry & Kinetics:
Nernst equation: \( E_{\text{cell}} = E^\circ_{\text{cell}} - \frac{0.0591}{n} \log_{10} Q \) (at 298 K)
First-order rate: \( k = \frac{2.303}{t} \log_{10}\frac{[A]_0}{[A]} \), \( t_{1/2} = \frac{0.693}{k} \)
Arrhenius equation: \( \log_{10}\frac{k_2}{k_1} = \frac{E_a}{2.303 R}\left(\frac{1}{T_1} - \frac{1}{T_2}\right) \).
Inorganic & Organic Principles:
Spin-only magnetic moment: \( \mu = \sqrt{n(n + 2)} \text{ BM} \)
Octahedral CFSE: \( \Delta_o \), Tetrahedral: \( \Delta_t = \frac{4}{9}\Delta_o \)
Electrophilic aromatic substitution: ortho/para directing (\(-\text{OH}, -\text{NH}_2, -\text{CH}_3\)) vs meta directing (\(-\text{NO}_2, -\text{CHO}, -\text{COOH}\)).

Frequently Asked Questions: NEET UG Chemistry

Expert guidance on syllabus breakdown, high-yield chapters, and exam strategy for NEET UG Chemistry.

What is the exact marks distribution and format of Chemistry in NEET UG?

The NEET UG Chemistry paper consists of 50 Multiple Choice Questions worth 180 marks out of the overall 720. The subject is split into two sections: Section A contains 35 mandatory questions (140 marks), and Section B contains 15 questions, out of which candidates choose any 10 (40 marks). Correct answers earn +4 marks, while incorrect answers deduct 1 mark (-1 negative marking).

Is NCERT textbook study sufficient to score 160+ in NEET Chemistry?

Yes. More than 90% of questions in NEET Chemistry are derived directly from NCERT Class 11 and Class 12 textbooks. For Inorganic Chemistry, memorizing NCERT tables, trends, and laboratory tests is indispensable. For Organic Chemistry, all named reactions, reaction conditions, and mechanisms in NCERT must be thoroughly practiced. For Physical Chemistry, NCERT in-text solved examples and exercise questions form the bedrock of numerical practice.

Which chapters carry the highest weightage in NEET Chemistry?

The consistently highest-yield chapters include: Coordination Compounds, Chemical Bonding and Molecular Structure, Thermodynamics, Solutions, Chemical Kinetics, Aldehydes, Ketones and Carboxylic Acids, and General Organic Chemistry (GOC). Together, these core chapters contribute approximately 55–65% of the total questions in the examination.

How should candidates balance Physical, Inorganic, and Organic Chemistry?

Allocate preparation time evenly across the three branches. Daily study should combine formula sheet review and numerical problem solving for Physical Chemistry, flashcard-based recall of inorganic trends and exceptions, and pen-and-paper reaction flowchart practice for Organic Chemistry. Taking timed chapter-wise mock tests reinforces speed and prevents calculation errors under pressure.

How do chapter-wise mock tests help improve NEET Chemistry score?

Chapter-wise mock tests train students in question-selection discipline and time management. In NEET, you must solve 45 chemistry questions in approximately 45 to 50 minutes. Practicing single-chapter tests pinpoints conceptual gaps, familiarizes candidates with Assertion-Reason and Statement-based formats, and trains rapid elimination of incorrect options.