Important Chemistry Formulas for NEET Exam 2026: Download PDF

Formulas are the core of the NEET Chemistry syllabus, which can easily create an impact on your final exam score. It is very crucial to learn all the important Chemistry formulas for the NEET 2026 exam. Formulas are the backbone of Chemistry, from numerical in Physical Chemistry to reactions in Organic and trends in Inorganic Chemistry all impact the NEET exam performance.

A clear and highly structured approach towards an exam-focused formula to score well in this exam is necessary. This blog will clearly explain the important Chemistry formulas for the upcoming NEET 2026 exam by suggesting preparation tips to become a master in these formulas and the subject.

NEET 2026 Chemistry Syllabus Overview

The Chemistry syllabus for the NEET 2026 exam was announced by the NTA on 8 Jan 2026. The core Chemistry syllabus is divided into 3 sub-areas: Physical, Organic, and Organic Chemistry, which is completely based on the 11^th and 12^th class syllabus.

• Physical Chemistry is a core element of the NEET Chemistry that effectively analyses fundamental principles of chemical reactions, numerical problem-solving using laws, equations, and derivations.
• Inorganic Chemistry provides a deep analysis of periodic trends, coordination compounds, and descriptive chemistry by demanding an advanced level of conceptual clarity.
• Organic Chemistry is a reaction-oriented Chemistry subject that demands a strong level of understanding related to mechanisms, named reactions, and functional group transformations.

Download Important Chemistry Formulas for NEET Exam 2026 PDF

In the NEET exam, 45 questions are from the Chemistry section, which can be managed by developing conceptual clarity regarding the chapters in this subject. At Matrix Academy, our NEET Division prepares a separate subject-wise syllabus for NEET Chemistry, which is as follows-

NEET Physical Chemistry Syllabus for 2026 Exam

Chapter/Unit Name	Expected Number of Questions in NEET 2026 Exam
Unit I: Some Basic Concepts in Chemistry	3-4 Questions
Unit 2: Atomic Structure	1-2 Questions
Unit 3: Chemical Bonding and Molecular Structure	Highly Important with 2-3 Questions
Unit 4: Chemical Thermodynamics	3-4 Questions (Important)
Unit 5: Solutions	1-2 Questions
Unit 6: Equilibrium	3-4 Questions (Very Important)
Unit 7: Redox Reactions and Electrochemistry	1 Question
Unit 8: Chemical Kinetics	2-4 Question

You can also find a chapter-wise breakdown and preparation strategies for the NEET Physical Chemistry section to prepare well for the upcoming 2026 exam.

NEET Inorganic Chemistry Syllabus for 2026 Exam

Chapter/Unit Name	Expected Number of Questions in NEET 2026 Exam
Unit 9: Classification of Elements and Periodicity in Properties	2-3 Questions
Unit 10: P-Block Elements	3-4 Questions
Unit 11: d and f Block Elements	2-3 Questions
Unit 12: Co-ordination Compounds	2-3 Questions

NEET Organic Chemistry Syllabus for 2026 Exam

Chapter/Unit Name	Expected Number of Questions in NEET 2026 Exam
Unit 13: Purification and Characterisation of Organic Compounds	1-2 Questions
Unit 14: Some Basic Principles of Organic Chemistry	2-3 Questions
Unit 15: Hydrocarbons	2-3 Questions
Unit 16: Organic Compounds Containing Halogens	1-2 Questions
Unit 17: Organic Compounds Containing Oxygen	1-2 Questions
Unit 18: Organic Compounds Containing Nitrogen	1-2 Questions
Unit 19: Biomolecules	2-3 Questions
Unit 20: Principles Related to Practical Chemistry	1-2 Questions

Role of Formulas in Chemistry for NEET 2026

Matrix Academy is an ideal NEET coaching institute in Sikar, where its NEET Chemistry division consistently produces exceptional results under the guidance of senior faculty member Birbal Maan Sir. From his teaching experience, he identified that NEET Chemistry can only be solved by mastering formulas because 30-40% of the total syllabus is formula-dominant. This is especially applicable to the Physical Chemistry section, where 50-55% questions are formula-based. 

In Organic and Inorganic Chemistry, formulas are very useful in remembering crucial constants, reactions, coordination parameters, and hybridisation rules. At Matrix Academy, we clearly understand the value of Chemistry formulas and use a concept-based formula learning methodology to teach formulas effectively, which ultimately creates deep understanding and application of complex formulas instead of rote memorisation. 

The preparation for NEET Chemistry is a difficult process, where you can find a comprehensive guide for all three Chemistry areas, Organic, Inorganic, and Physical, through our detailed blog on preparing Chemistry for NEET UG 2026.

NEET Physical Chemistry Important Formulas 2026

In Chemistry, Physical Chemistry is the most crucial area with the maximum number of formulas. Matrix Academy makes the formula practice approach very easy for its students through combining theoretical knowledge and derivation skills because practising formulas without understanding their derivation often leads to mistakes. 

For a complete practice of the NEET Physical Chemistry important formulas, Matrix creates a unit-wise list of important formulas as follows-

Unit 1: Some Basic Concepts in Chemistry

Unit 1 formulas are related to solving quantitative problems, which can be considered as foundational formulas of this subject.

\[\text{Mole concept:} n = m / M\]

\[\text{Number of Moles:} n = \frac{V_{\text{STP}}}{22.4\ \text{L mol}^{-1}}\]

\[\text{Molarity (M):} M = \frac{\text{Moles of solute}}{\text{Volume of solution (L)}}\]

\[\text{Molality:} m = \frac{\text{Moles of solute}}{\text{Mass of solvent (kg)}}\]

\[\text{Normality:} N = \frac{\text{Equivalents}}{\text{Litre}}\]

\[\text{Percentage composition:} \left( \frac{\text{Mass of element}}{\text{Molar mass}} \right) \times 100\]

\[\text{% Purity:} \left( \frac{\text{Mass of pure substance}}{\text{Total mass}} \right) \times 100\]

\[\text{Equivalent Weight (E):} E = \frac{\text{Molar Mass (M)}}{\text{n-factor}} \text{where, 𝑛-factor is valency/electrons transferred).} \]

Unit 2: Atomic Structure

The formulas from the Atomic Structure unit are numerically difficult, which is mainly related to quantised energy levels, particle-wave duality, and the arrangement of electrons within an atom.

\[\text{de Broglie wavelength: }\lambda = \frac{h}{mv}\]

\[\text{Energy of electron:} E_n = -\frac{13.6}{n^2}\,\text{eV}\]

\[\text{Radius of orbit:} r_n = \frac{0.529\, n^2}{Z}\, \text {Å}\]

\[\text{Heisenberg uncertainty:} \Delta x \cdot \Delta p \ge \frac{h}{4\pi}\]

\[\text{Energy of Photon:} \Delta x \cdot \Delta p \ge \frac{h}{4\pi}\]

\[\text{Bohr’s Model (for Hydrogen/Hydrogen-like atoms):}\]

\[\text{Quantized Angular Momentum: } \Delta x \cdot \Delta p \ge \frac{h}{4\pi}\]

\[\text{Energy Levels:} E_n = -\frac{2.178 \times 10^{-18} Z^2}{n^2}\,\text{J/atom} = -\frac{13.6 Z^2}{n^2}\,\text{eV/atom}\]

\[\text{Bohr Radius (Radius of nth orbit): } r_n = \frac{0.529 \, n^2}{Z} \ \text {Å}\]

\[\text{Velocity in nth orbit:} v = \frac{2.18 \times 10^6 \, Z}{n} \ \text{m/s}\]

Unit 3: Chemical Bonding and Molecular Structure

The formulas in this unit are important to evaluate the exact structure and properties of molecules. Thus, practising these formulas demands an effective level of conceptual understanding.

\[\text{Formal charge:} F_C = V – \left(L + \frac{B}{2}\right)\]

\[\text{Bond order (MO theory):} \frac{N_b – N_a}{2}\]

\[\text{Dipole moment:} \mu = q \times r\]

\[\text{Hybridisation formula: } \frac{1}{2} \left( V + M – C + A \right)\]

Unit 4: Chemical Thermodynamics

The Chemical Thermodynamics section is crucial to building clear concepts regarding calculations and the transformation of energy.

\[\text{First law: }ΔU = q + w\]

\[\text{Work Done (general): }W = – P \, \Delta V\]

\[\text{Enthalpy change:} ΔH = ΔU + ΔnRT\]

\[\text{Gibbs free energy: }ΔG = ΔH − TΔS\]

\[\text{Hess’s law:} ΔH_{reaction} = ΣΔH_{products} – ΣΔH_{reactants}\]

\[\text{Standard Enthalpy of Reaction: }\Delta H^\circ_{\text{rxn}} = \sum \Delta H_f^\circ \text{(products)} – \sum \Delta H_f^\circ \text{(reactants)}\]

Unit 5: Solutions

This unit demands extensive practice of formula-based numerical formulas to identify the properties of liquid solutions related to quantitative relationships.

\[\text{Raoult’s law: }P = X \times P^0\]

\[\text{Mass Percentage:} \text{Mass % of element} = \frac{\text{Mass of element in the compound}}{\text{Molar mass of the compound}} \times 100\]

\[\text{Volume Percentage: } \text{Volume %} = \frac{\text{Volume of solute (mL)}}{\text{Volume of solution (mL)}} \times 100\]

\[\text{Osmotic pressure: }\pi = C R T\]

\[\text{Elevation in boiling point: }\Delta T_b = K_b \, m\]

\[\text{Depression in freezing point:} \Delta T_f = K_f \, m\]

Unit 6: Equilibrium

This unit is considered the core of the Chemical Reaction section, where formulas are combined in this unit to solve practical numerical problems of solution acidity, reaction direction, and predicting system behaviour.

\[ \text{Equilibrium constant:} K_c = \frac{[\text{products}]}{[\text{reactants}]} \]

\[ Relationship: K_p = K_c \, (R T)^{\Delta n} \]

\[ pH: \text{pH} = -\log [\text{H}^+] \]

\[ \text{Ionic product of water:} K_w = [{H^+}][{OH^-}] \]

\[\text{Law of Mass Action& Equilibrium Constant:} K_c = \frac{[{C}]^c [{D}]^d}{[{A}]^a [{B}]^b}\]

Unit 7: Redox Reactions and Electrochemistry

Redox Reactions and Electrochemistry is a high-weightage chapter in the NEET Physical Chemistry section. Every year in the final exam, approximately 2-3 questions are directly drawn from this section, where these formulas are related to chemical reactions and electrical energy.

\[\text{Nernst equation:} E = E^\circ – \frac{0.0591}{n} \log Q\]

\[\text{Faraday’s law: } m = \frac{Q \times M}{n F}\]

\[\text{Cell EMF: } E_{\text{cell}} = E_{\text{cathode}} – E_{\text{anode}}\]

\[\text{Gibbs Free Energy & EMF Relation: } \Delta G = – n F E_\text{cell}\]

\[\text{Conductance: } G = \frac{1}{R}\]

Unit 8: Chemical Kinetics

The Chemical Kinetics section evaluates the proficiency of chemical reactions, where all the formulas in this section define the rate of chemical reactions and their mechanism. These formulas can be easily learned by clearing fundamental concepts.

\[\text{Rate law:} \text{Rate} = k [A]^n\]

\[\text{First-order reaction: } k = \frac{2.303}{t} \log \left( \frac{a}{a – x} \right)\]

\[\text{Overall Order: } n = m + n\]

\[\text{Half-life (first order): } t_{1/2} = \frac{0.693}{k}\]

\[\text{Arrhenius equation: } k = A e^{-\frac{E_a}{RT}}\]

\[\text{Rate of Reaction (Average Rate): } -\frac{\Delta[\text{Reactant}]}{\Delta t} = +\frac{\Delta[\text{Product}]}{\Delta t}\]

NEET Inorganic Chemistry Important Formulas

The teaching methodology of Inorganic Chemistry at Matrix Academy is highly organised under the guidance of Narendra Kok Sir, who explains difficult formulas with conceptual clarity and pattern recognition behind each formula. This section is majorly theory-oriented but also consists of some important questions, which can be solved with the help of formulas.

This unit of Chemistry has various formula-based topics like coordination chemistry, block chemistry, and periodic trends. So, you should practice all the standard formulas of these topics.

Unit 9: Classification of Elements and Periodicity

According to Narendra Kok Sir, these formulas can only be practised if the theoretical part is very strong. Through clarity in theoretical sections, you can practice the chemical and physical properties of various elements. All of the important formulas in this unit are related to the properties of periodic trends.

\[\text{Effective nuclear charge: } Z_{\text{eff}} = Z – \sigma \]

\[\text{Pauling electronegativity difference: } \Delta \chi = 0.208 \sqrt{\Delta E}\]

\[\text{Ionic character: }%\ \text{Ionic Character} = \left[1 – e^{-0.25(\Delta \chi)^2}\right] \times 100\]

Unit 10: p-Block Elements

This section of Inorganic Chemistry is compound structure, properties, and periodic trends oriented. This is not a simple mathematical formula-based chapter, which is directly based on structural representations and chemical equations.

\[\text{Oxidation state calculation rules: } \text{H}_2\text{SO}_4 \]

\[\text{Acidic strength trend formulas (relative electronegativity concept): } \text{Higher EN} \Rightarrow \text{Stronger Acid} \]

\[\text{Ozone formation: } 3\text{O}_2 \rightleftharpoons 2\text{O}_3 \]

\[\text{s-block: } \text{ns}^{1-2} \]

\[\text{p-block: } \text{ns}^{2}\ \text{np}^{1-6} \]

Unit 11: d and f Block Elements

The d and f blocks unit can be easily solved with their respective quantitative formulas, which are related to general electronic structures, chemical reactions, and description-based chemical properties.

\[\text{d-block: } (n-1)\text{d}^{1-10}\ \text{ns}^{0-2}\]

\[\text{f-block: } (n-2)\text{f}^{1-14}\ (n-1)\text{d}^{0-1}\ \text{ns}^{2}\]

\[\text{Magnetic moment: } \mu = \sqrt{n(n+2)}\ \text{BM}\]

\[\text{Crystal field stabilisation energy (CFSE): } \text{CFSE} = (-0.4 n_o + 0.6 n_t)\, \Delta_o\]

\[\text{Spin-Only Magnetic Moment formula: } \mu = \sqrt{n(n+2)}\ \text{BM}\]

Unit 12: Coordination Compounds

The section is very important, and every year, 2-3 questions appear from this section in the final exam. This section is reaction-oriented instead of mathematical formulas related to theories and nomenclature rules. So, Matrix Academy experts highlight important topics below-

\[\text{Coordination number definition key points: Donor Atoms, Sigma Bonds, Secondary Valency, Common Number and Geometries}\]

\[\text{Werner’s formula: } [M_aX_b(L)_c]\]

\[\text{Stability Constant: } K_f = \frac{[\text{Complex}]}{[\text{Metal}][\text{Ligand}]} \]

Isomer count formulas (geometrical and optical):

Complex Type	Geometrical Isomers	Optical Isomers
\[[MA_2B_2]\]	2 (cis/trans)	0
\[[MA_2B_2C_2]\]	3 (fac/mer)	0
\[[MA_3B_3]\]	2 (fac/mer)	0
\[[M(AA)_3]\]	0	\[2\,(\Delta / \Lambda)\]

NEET Organic Chemistry Important Formulas 2026

NEET Organic Chemistry is a section with specific formulas, where it is crucial to understand their pattern formation with the classification of various compounds. Matrix faculty Birbal Sir finds that all formulas are based on structural relations, reaction conditions, and general equations. There is no need for heavy practice of numerical formulas for this unit; you should practice with reaction-based expressions, tests, and standard formulas.

Unit 13: Purification and Characterisation

The formulas under this unit are very useful in finding the exact and pure organic compounds of different elements. All of the formulas in this section are easy to recall and generally % oriented.

\[\text{% Element: } \% \text{ of Element} = \frac{\text{Mass of Element in Compound}}{\text{Molar Mass of Compound}} \times 100 \]

\[\text{Dumas Method: }\%N = \frac{14 \times \text{Volume Correction}}{\text{Mass}}\]

\[\text{Molecular Formula from Empirical Formula: } (\text{Empirical Formula})_n\]

\[\text{Victor Meyer Method for Molecular Mass: } M = \frac{w \times 22400}{V}\]

Lassaigne’s Test Reactions:

Element	Test Reagent	Observation	Reaction/Formula
Nitrogen (N)	FeSO₄ + H₂SO₄ → Na[Fe(CN)₅NO]	Blue ppt (Prussian blue)	\[[{R-CN + Na -> NaCN ; NaCN + FeSO4 + H2SO4 -> Fe4[Fe(CN)6]3}]\]
Sulfur (S)	NaNO₃ / NaOH + Pb(Ac)₂ or Na2SO4 + BaCl2	Black ppt (PbS) / White ppt (BaSO4)	\[{R-S + Na -> Na2S ; Na2S + Pb(Ac)2 -> PbS(s) (black)}\]
Nitrogen + Sulfur (N + S)	Na + NaOH + FeSO₄ → Ferric nitroprusside	Violet/red color	\[[{R-CN-S + Na -> NaSCN ; NaSCN + Fe^{3+} -> Fe(SCN)3}]\]
Halogens (Cl, Br, I)	AgNO₃ in dilute HNO₃	Precipitate: AgCl/AgBr/AgI	\[[{R-Cl + Na -> NaCl ; NaCl + AgNO3 -> AgCl(s)}] \]
Carbon (C) & Hydrogen (H)	Ignition test	Burns with blue flame → CO₂ + H₂O	\[[{Organic\ Compound + O2 -> CO2 + H2O \ (blue\ flame)}]\]

Unit 14: Basic Principles of Organic Chemistry

This section is a mix of theoretical and practical considerations because it includes most of the important topics from the Organic Chemistry section. Some of the important topics are bonding (hybridisation), isomerism, functional groups, homologous series, reactions, intermediates, purification methods, and electronic effects.

\[\text{Alkanes (Saturated): } \text{C}_n\text{H}_{2n+2} \]

\[\text{Alkenes (One double bond): } \text{C}_n\text{H}_{2n}\]

\[\text{Alkynes (One triple bond): } \text{C}_n\text{H}_{2n-2}\]

\[\text{Cycloalkanes: }\text{C}_n\text{H}_{2n} \text{ (same as alkenes) }\]

\[\text{Percentage of Carbon: } \%\text{C} = \frac{\text{Weight of CO}_{2} \text{ formed}}{\text{Weight of organic sample}} \times \frac{12}{44} \times 100\]

\[\text{Percentage of Hydrogen (%H): }\%\text{H} = \frac{\text{Weight of H}_{2}\text{O formed}}{\text{Weight of organic sample}} \times \frac{2}{18} \times 100\]

Percentage of Nitrogen:

1. Dumas Method: \[\%\text{N} = \frac{\text{Volume of N}_2 \text{ evolved}}{22400} \times \frac{14 \times 100}{\text{Weight of sample}}\]

2. Kjeldahl’s Method: \[\%\text{N} = \frac{\text{Volume of acid} \times \text{Normality of acid} \times 1.4}{\text{Weight of sample}} \times 100\]

Percentage of Halogen (%X, e.g., Cl, Br, I) (Carius Method):

\[\%\text{X} = \frac{\text{Atomic weight of X}}{\text{Molecular weight of AgX}} \times \frac{\text{Weight of AgX formed}}{\text{Weight of organic sample}} \times 100\]

Inductive Effect Order:

Type	Effect	Example/Order
−I	Electron-withdrawing	\[{F > NO2 > Cl > Br > I > CN > COOH}\]
+I	Electron-donating	\[{H < CH3 < C2H5 < C3H7 < \dots}\]

Resonance Energy Concept: \[\text{Resonance Energy (RE)} = E_{\text{hypothetical}} – E_{\text{actual}}\]

Carbocation Stability Order:

Type of Carbocation	Stability
\[{CH3^+}\]	Least stable
Primary (1°)	↑
Secondary (2°)	↑↑
Tertiary (3°)	Most stable
Allylic/Benzylic	More stable due to resonance

\[\text{pKa and Acidity Relation:} \text{pKa} = -\log_{10} (\text{Ka}) \]

Unit 15: Hydrocarbons

The chemical reactions and formulas in this section are generally hydrogen and carbon atoms oriented, which can be learned with specific chemical equations.

\[\text{General formula of Alkanes: } \text{C}_n\text{H}_{2n+2}\]

\[\text{General formula of Alkenes: } \text{C}_n\text{H}_{2n}\]

\[\text{Alkynes: } \text{C}_n\text{H}_{2n-2}\]

\[\text{Aromatic: } \text{C}_{6}\text{H}_{6}\]

\[\text{Wurtz Reaction: } 2\text{R–X} + 2\text{Na} \stackrel{\text{dry ether}} {\rightarrow}\text{R–R} + 2\text{NaX}\]

\[\text{Combustion: } \text{C}_{n}\text{H}_{2n+2} + \frac{3n+1}{2}\,\text{O}_{2} \rightarrow n\,\text{CO}_{2} + (n+1)\,\text{H}_{2}\text{O} + \text{Energy}\]

\[\text{Halogenation: } \text{CH}_{4} + \text{Cl}_{2} \overset{\text{sunlight}}{\rightarrow} \text{CH}_{3}\text{Cl} + \text{HCl}\]

\[\text{Ozonolysis: } \text{R}_{2}\text{C}=\text{CR}_{2} \stackrel{\text{O}_{3}}{\rightarrow} \text{Ozonide} \stackrel{\text{Zn}/\text{H}_{2}\text{O}}{\rightarrow}2\,\text{R}_{2}\text{C}=\text{O}\]

\[\text{Acidity of Terminal Alkynes: } \text{CH}\equiv \text{CH}+ \text{NaNH}_{2} \rightarrow \text{CH}\equiv \text{C}^{-}\text{Na}^{+} +\text{NH}_{3} \]

\[\text{Friedel–Crafts Alkylation: }\text{C}_{6}\text{H}_{6} + \text{R–Cl}\stackrel{\text{AlCl}_{3}\ (\text{anhydrous})}{\rightarrow} \text{C}_{6}\text{H}_{5}\text{R} + \text{HCl}\]

Unit 16: Organic Compounds Containing Halogens

This unit is divided into 3 major sections, where this section is for the Halogens. The key topics of this unit are alkyl halides (R-X) and aryl halides (Ar-X).

Nucleophilic Substitution:

\[\text{1. SN 2 : } \text{SN2: }\quad \text{R–X} + \text{Nu}^{-} \rightarrow \text{R–Nu} + \text{X}^{-} \]

\[ \text{2. SN 1: } \text{R–X} \rightarrow \text{R}^{+} + \text{X}^{-} \]

\[\text{Elimination (E2): R–X} + \text{alc.\ KOH} \rightarrow \text{Alkene} + \text{KX} + \text{H}_{2}\text{O}\]

\[\text{Grignard Reagent: } \text{R–X} + \text{alc.\ KOH} \rightarrow \text{Alkene} + \text{KX} + \text{H}_{2}\text{O}\]

\[ \text{Finkelstein Reaction (Halogen Exchange): } \text{R–Cl} + \text{NaI} \stackrel{\text{acetone}}{\rightarrow}\text{R–I} + \text{NaCl} \]

\[ \text{Ar–H} + \text{X}_{2}\stackrel{\text{FeX}_{3}\ /\ \text{Lewis acid}}{\rightarrow}\text{Ar–X} +\text{HX} \]

\[\text{Ar–X} + \text{HX}\]

Name-Based Compounds & Formulas:

• Chloroform: \[\text{CHCl}_{3}\]
• Iodoform: \[\text{CHI}_{3}\]
• DDT: \[(\text{ClC}_{6}\text{H}_{4})_{2}\text{CHCCl}_{3}\]
• Freons (CFCs): \[\text{CCl}_{2}\text{F}_{2}\]

Halogen: \[\text{R–X} \stackrel{\text{Na}}{\rightarrow} \text{NaX}\]

% Percentage of Halogen: \[ \%\text{X} = \frac{\text{Atomic Weight of X}}{\text{Molecular Weight of AgX}} \times \frac{\text{Weight of AgX}}{\text{Weight of sample}} \times 100\]

Unit 17: Organic Compounds Containing Oxygen

This unit is very useful in creating a base-level knowledge of the various organic topics, like Alcohol, Ketones, Ethers, Aldehydes, and many more. The key formulas of this unit are as follows-

Unit General Formulas:

• Alcohol: \[\text{R–OH}\]
• Phenol: \[\text{Ar–OH}\]
• Ether: \[\text{R–O–R’}\]

Important Reactions:

\[\text{1. Williamson Ether Synthesis: R–X } + \text{NaOR’} \rightarrow \text{R–O–R’} + \text{NaX}\]

\[\text{2. Alcohol Dehydration: RCH}_{2}\text{CH}_{2}\text{OH} \stackrel{\text{conc. H}_{2}\text{SO}_{4}, \Delta} {\rightarrow}\text{CH}_{2}=\text{CH}_{2} + \text{H}_{2}\text{O}\]

\[\text{Aldehydes: R–CHO}\]

\[\text{Ketone: } \text{R–CO–R’}\]

\[\text{Carboxylic Acids: } \text{R–COOH}\]

Unit 18: Organic Compounds Containing Nitrogen

The unit offers important information regarding the various organic compounds of Nitrogen, where all important formulas are as follows-

\[\text{ 1. Amines: }(\text{R–NH}_{2},\ \text{R}_{2}\text{NH},\ \text{R}_{3}\text{N})\]

\[\text{Reduction of Nitro Compounds: }\text{R–NO}_{2} \stackrel{\text{Sn/HCl \ or \ LiAlH}_{4}}{\rightarrow} \text{R–NH}_{2}\]

\[\text{Reactions-} \text{Basicity: } \text{RNH}_{2} > \text{NH}_{3} > \text{ArNH}_{2}\]

\[\text{Alkylation: } \text{R–NH}_{2} + \text{R’}\text{–X} \rightarrow \text{R}_{2}\text{NH} + \text{HX}\]

\[\text{Diazonium Salt: }(\text{Ar–N}_{2}^{+}\text{X}^{-}) \]

\[\text{Amides: }(\text{R–CONH}_{2}) \]

\[\text{Nitro Compounds: }(\text{R–NO}_{2})\]

Unit 19: Biomolecules

The Biomolecules unit has various mathematics-oriented formulas, which are mainly related to the molecular structures. The important formulas of this section are as follows-

Types of Biomolecules:

• \[\text{Monosaccharides: }\text{C}_{6}\text{H}_{12}\text{O}_{6}\]
• \[\text{Disaccharides: } \text{C}_{12}\text{H}_{22}\text{O}_{11}\]
• \[\text{Polysaccharides: } (\text{C}_{6}\text{H}_{10}\text{O}_{5})_{n}\]
• \[\text{Amino Acids: } \text{C}_{2}\text{H}_{5}\text{NO}_{2}\]
• \[\text{Nucleic Acids: } \text{C}_{5}\text{H}_{10}\text{O}_{4}\]

Hydrolysis Reactions:

\[\text{1. Sucrose: } \text{Sucrose} + \text{H}_{2}\text{O} \stackrel{\text{H}^{+}} {\rightarrow}\text{Glucose} + \text{Fructose} \]

\[\text{2. Lactose: }\text{Lactose} + \text{H}_{2}\text{O} \stackrel{\text{H}^{+}} {\rightarrow}\text{Glucose} + \text{Galactose}\]

\[\text{Starch: } \text{Starch} + n\,\text{H}_{2}\text{O} \stackrel{\text{H}^{+}} {\rightarrow}n\,\text{Glucose}\]

Unit 20: Principles Related to Practical Chemistry

The unit is the final chapter of the Chemistry syllabus, which has various logic-based chemical equations.

\[\text{Molecular Weight: } \text{Molecular Weight} = 2 \times \text{Vapour Density}\]

Percentage Composition:

\[\text{1. % Carbon: } \%\text{C} = \frac{\text{Weight of CO}_{2} \text{ evolved} \times \frac{12}{44}}{\text{Weight of sample}} \times 100\]

\[\text{2. % Hydrogen: } \%\text{H} = \frac{\text{Weight of H}_{2}\text{O evolved} \times \frac{2}{18}}{\text{Weight of sample}} \times 100\]

\[\text{Molarity Calculation: } M = \frac{\text{moles of solute}}{\text{volume of solution (L)}}\]

\[\text{Normality (N) Calculation: N } = \frac{\text{Number of gram equivalents}}{\text{Volume of solution (L)}}\]

\[\text{Dilution Formula: } M_1 V_1 = M_2 V_2\]

Practical Tips to Master NEET Chemistry Formulas

NEET Chemistry is a practical subject with numerous complex formulas and reactions. Matrix Academy’s rigorous academic system ensures an understanding of formulas with regular practice, systematic organisation, conceptual understanding, and revision. Through considering these factors, the primary practical tips to become a master in NEET Chemistry are as follows-

1. Concept Learning Before Memorisation of Formulas

The core of teaching formulas at Matrix is based on revising with an understanding of the basic derivation and physical meaning behind each formula. For this, Matrix implements rigorous practice session classes for its students by providing self-designed formula booklets and maintaining a separate formula sheet for quick revision of physical constants, laws, and equations.

The motive behind this approach is to ensure that every student knows the actual origin of the formula, because this makes the recall process easier to solve tricky numerical. Matrix NEET Chemistry experts create a creative teaching environment with interactive lectures, visual diagrams, 3D models and many more, which can improve the whole process of learning. 

2. Maintaining a Personal Formula Sheet

You should create a separate formula sheet book to practice Chemistry formulas because it directly or indirectly strengthens your memory recall and retention. This approach is one of the most useful while attempting revision because you already have information regarding the core concept behind it. 

You can also take help with Matrix NEET Chemistry books because they offer extensive formula-based question practice with easy problem templates. Practising this regularly helps in developing conceptual clarity regarding the complex formulas and chemical reactions. 

3. Strictly Following Daily Formula Revision Strategy:

One of the best approaches to strengthen Chemistry formulas is practising them regularly, where you should allocate 30-40 minutes daily to practice difficult formulas and reactions. Short-term regular practice is good instead of long and irregular formula practice study sessions. For example, you can also practice 40-50 formula-oriented MCQs to ensure accuracy and speed for the final exam. 

4. Linking Formulas with NCERT and Previous Years’ Papers

At Matrix Academy, the focus is on aligning formula practice activity with the core NCERT books to save the crucial preparation time of the NEET students. Matrix NEET experts believe that numerous Chemistry formulas are NCERT-based, so you should find out how most of the formulas are used in the NCERT exercises and examples. In this process, you can focus on analysing frequently asked formulas in previous year exams because this target-based strategy reduces unnecessary overload as per the exam relevance. Through understanding logic and the concept behind the formulas and derivations, the formula practice approach becomes easier. 

Conclusion

A goal to become a master in the NEET Chemistry can secure your dream to score high in the final exam. The implementation of a structured approach in practising Organic, Physical, and Inorganic formulas can improve your confidence, speed, and accuracy. Matrix Academy believes that practising Chemistry formulas can become more effective with conceptual clarity and application-based learning. This approach is based on understanding why and how behind each formula by understanding the physical and mathematical representation of each formula.

The practical tips to become a master in these formulas, as suggested by Matrix Academy, are concept-based learning, practising with a personal formula sheet, a daily formula revision strategy, and formula linking with the NCERT and previous years’ papers.

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