Chemistry topics

MDCAT Practice. 231 topics across 20 chapters — 8,156 questions in all. Each topic can be practised on its own, one question at a time with the explanation, or read with the answers shown.

Alcohols and Phenols

439 questions · 11 topics

Reactivity of phenol 68 questions Practice Read
Reactivity of alcohols (reactions in which C-O bond is cleaved)(reaction in which O-H bond is broken) 57 questions Practice Read
Oxidation of alcohols, lucas test, iodoform test 51 questions Practice Read
Acidity of phenol 44 questions Practice Read
Classification of alcohols 41 questions Practice Read
Preparation of alcohols 39 questions Practice Read
Physical properties of alcohols 34 questions Practice Read
Difference between alcohol and phenol 31 questions Practice Read
Physical properties of phenols 30 questions Practice Read
Preparation of phenols 22 questions Practice Read
Structure of phenol 22 questions Practice Read

Aldehydes and Ketones

392 questions · 8 topics

Base catalyzed reactions 85 questions Practice Read
Identification of aldehydes and ketones 62 questions Practice Read
Reduction reactions of aldehydes and ketones 53 questions Practice Read
Oxidation reactions of carbonyl compounds 42 questions Practice Read
Structure & physical properties of aldehydes and ketones 42 questions Practice Read
Acid catalyzed reactions 38 questions Practice Read
Preparation of aldehyde and ketone 38 questions Practice Read
Relative reactivity of aldehyde and ketones 32 questions Practice Read

Alkyl Halides

379 questions · 9 topics

Nucleophilic substitution reactions 79 questions Practice Read
Elimination reactions 54 questions Practice Read
Grignard reagents 42 questions Practice Read
Classification of alkyl halides 40 questions Practice Read
Structure and reactivity of alkyl halides 38 questions Practice Read
Electrophile vs nucleophile 37 questions Practice Read
Substitution vs elimination 34 questions Practice Read
Preparation of alkyl halides 31 questions Practice Read
Physical properties of alkyl halides 24 questions Practice Read

Atomic Structure

378 questions · 6 topics

Electronic configuration & rules of electronic configuration 109 questions Practice Read
Principal & azimuthal quantum number 81 questions Practice Read
Hydrogen spectrum 55 questions Practice Read
Magnetic & spin quantum number 54 questions Practice Read
Canal rays and discovery of proton 43 questions Practice Read
Planck's quantum theory 36 questions Practice Read

Carboxylic acids

404 questions · 10 topics

Reactions involving -OH group of carboxylic acids (Preparation of carboxylic acid derivatives) 72 questions Practice Read
Physical properties of carboxylic acids 64 questions Practice Read
Reactions of carboxylic acid derivatives 44 questions Practice Read
Classification of carboxylic acids 43 questions Practice Read
Preparation of carboxylic acids 42 questions Practice Read
Acidity of carboxylic acids 37 questions Practice Read
Reactions involving carboxyl group 35 questions Practice Read
Acetic acid 26 questions Practice Read
Reactions involving -H atom of the carboxylic acids 22 questions Practice Read
Structure of carboxylic acids 19 questions Practice Read

Chemical Bonding

563 questions · 16 topics

Hybridization 88 questions Practice Read
Vsepr theory 75 questions Practice Read
Ionization energy 49 questions Practice Read
Covalent bond and ionic character of covalent bond 48 questions Practice Read
Dipole moment 44 questions Practice Read
Bond energy and bond length 38 questions Practice Read
VBT and its drawbacks 35 questions Practice Read
Electronegativity 31 questions Practice Read
Ionic Bond 31 questions Practice Read
Coordinate covalent bond 26 questions Practice Read
Electron affinity 24 questions Practice Read
Sigma and pie bond 23 questions Practice Read
Effect of molecular polarity on physical and chemical properties 19 questions Practice Read
Atomic size 14 questions Practice Read
Bond energy 10 questions Practice Read
Chemical bond 8 questions Practice Read

Chemical Equilibrium

446 questions · 12 topics

Le Chatelier principle 77 questions Practice Read
Buffer solution 66 questions Practice Read
Equilibrium of slightly soluble ionic compound (solubility product) 55 questions Practice Read
Equilibrium constant expression of important reactions 48 questions Practice Read
Applications of equilibrium constant 42 questions Practice Read
Reversible reaction and dynamic equilibrium 34 questions Practice Read
Relationship between Kp, Kx , Kn, and Kc 33 questions Practice Read
Common ion effect 26 questions Practice Read
Haber process of ammonia synthesis and contact process for SO3 23 questions Practice Read
State and types of chemical equilibrium 20 questions Practice Read
Ionic product of water 12 questions Practice Read
Reversible and irreversible reactions 10 questions Practice Read

Chemistry of Hydrocarbons

908 questions · 33 topics

Nomenclature of All the functional groups 81 questions Practice Read
Electrophilic aromatic substitution reaction of benzene 65 questions Practice Read
Substituent effects on benzene ring 53 questions Practice Read
Reactions of alkanes 45 questions Practice Read
Structure and reactivity of alkene 41 questions Practice Read
Preparation of benzene 40 questions Practice Read
Reactions and acidity of alkynes 39 questions Practice Read
Introduction and physical properties of benzene 38 questions Practice Read
Preparation of alkenes 37 questions Practice Read
Structure of benzene 36 questions Practice Read
Physical properties of alkanes 33 questions Practice Read
Addition reactions of benzene and methyl benzene 31 questions Practice Read
General methods of preparation of alkanes 30 questions Practice Read
Hydrohalogenation 28 questions Practice Read
Preparation of alkynes 27 questions Practice Read
Reactivity of Alkanes 27 questions Practice Read
Resonance, resonance energy and stabilization 27 questions Practice Read
Reactivity of alkynes (comparison with alkanes, alkenes and arenes) 26 questions Practice Read
Introduction of alkanes 24 questions Practice Read
Halogenation 23 questions Practice Read
Hydrogenation 18 questions Practice Read
Substitution reactions vs addition reactions 18 questions Practice Read
Hydroxylation 17 questions Practice Read
Physical properties of alkynes 16 questions Practice Read
Relative stability of alkanes, cycloalkanes, alkene and alkynes 16 questions Practice Read
Nomenclature of alkanes 15 questions Practice Read
Ozonolysis 13 questions Practice Read
Concept of homolytic cleavage and heterolytic cleavage 12 questions Practice Read
Hydration 9 questions Practice Read
Combustion 8 questions Practice Read
Halohydration 6 questions Practice Read
Polymerization 6 questions Practice Read
Epoxidation 3 questions Practice Read

Electrochemistry

411 questions · 10 topics

Oxidation state or oxidation number 82 questions Practice Read
Electrolytic cells 78 questions Practice Read
Electrochemical series 63 questions Practice Read
Oxidation and reduction reactions 44 questions Practice Read
Voltaic or galvanic cell 42 questions Practice Read
Electrodes and electrode potential 31 questions Practice Read
Balancing of redox reaction by oxidation number method 24 questions Practice Read
SHE (standard hydrogen electrode) 23 questions Practice Read
Balancing of redox reaction by Ion electron method 12 questions Practice Read
Measurement of electrode potential 12 questions Practice Read

Fundamental concepts of chemistry

356 questions · 8 topics

Stoichiometry and it's important assumptions 64 questions Practice Read
Mole 59 questions Practice Read
Avogadro number 53 questions Practice Read
Yield 53 questions Practice Read
Limiting and excess reactant 44 questions Practice Read
Atomic mass 35 questions Practice Read
Determination of empirical and molecular formula 26 questions Practice Read
Molecular formula vs Empirical formula 22 questions Practice Read

Fundamental principles of organic chemistry

568 questions · 13 topics

Functional group and classification on the basis of functional group 84 questions Practice Read
Classification of organic compounds on structural basis 68 questions Practice Read
Geometrical isomerism 56 questions Practice Read
Some basic terminologies 47 questions Practice Read
Optical isomerism 46 questions Practice Read
Isomerism 44 questions Practice Read
Chain or skeletal isomerism 41 questions Practice Read
Functional group isomerism 38 questions Practice Read
Organic chemistry and organic compounds 38 questions Practice Read
Tautomerism 36 questions Practice Read
Metamerism 33 questions Practice Read
Positional isomerism 28 questions Practice Read
Representation of organic molecules 9 questions Practice Read

Gases

333 questions · 10 topics

KMT 53 questions Practice Read
Ideal gas equation 48 questions Practice Read
Properties of gases & Units of pressure 40 questions Practice Read
Real gases vs Ideal gases 36 questions Practice Read
Boyle's law 35 questions Practice Read
Charle’s law 35 questions Practice Read
Absolute zero temperature 29 questions Practice Read
Significance of Ideal gas constant and it's different units 26 questions Practice Read
Avogadro law 22 questions Practice Read
Van der Waals equation for real gases 9 questions Practice Read

Industrial Chemistry

189 questions · 4 topics

Dyes and their Types 65 questions Practice Read
Adhesives and types of adhesives 48 questions Practice Read
Condensation polymers 39 questions Practice Read
Addition polymers 37 questions Practice Read

Liquids and Solids

579 questions · 24 topics

Hydrogen bonding 59 questions Practice Read
Properties of crystalline solids 41 questions Practice Read
Crystal lattice 35 questions Practice Read
Boiling point and external pressure 34 questions Practice Read
Lattice energy & factors affecting it 34 questions Practice Read
Molecular solids 33 questions Practice Read
Vapour pressure 32 questions Practice Read
Types of solids 31 questions Practice Read
Evaporation 28 questions Practice Read
Energetics of phase change 27 questions Practice Read
London dispersion forces 25 questions Practice Read
Factors affecting shape of ionic crystal 23 questions Practice Read
Intermolecular forces vs Intramolecular forces 23 questions Practice Read
KMT of liquids and Simple properties of liquids 22 questions Practice Read
Ionic solids 21 questions Practice Read
Cubic unit cell and its types 18 questions Practice Read
Unit cell of NaCl 17 questions Practice Read
Applications of B.P 15 questions Practice Read
Dipole dipole forces 14 questions Practice Read
Dipole induced dipole forces 13 questions Practice Read
Metallic solids 11 questions Practice Read
Covalent solids 10 questions Practice Read
Ion dipole forces and Ion induced dipole forces 9 questions Practice Read
Introduction to KMT of solids 4 questions Practice Read

Macromolecules

286 questions · 10 topics

Structure of proteins 48 questions Practice Read
Classification of proteins 41 questions Practice Read
Introduction to macromolecules and proteins 37 questions Practice Read
Properties of proteins 37 questions Practice Read
How do enzymes work? 31 questions Practice Read
Factors affecting enzyme activity 28 questions Practice Read
Classification of enzymes 22 questions Practice Read
Properties of enzymes 22 questions Practice Read
Applications of enzymes 17 questions Practice Read
Enzymatic inhibition 3 questions Practice Read

Out of the chemistry syllabus

24 questions · 1 topics

Out of the chemistry syllabus 24 questions Practice Read

Reaction Kinetics

420 questions · 9 topics

Order of reaction 94 questions Practice Read
Activation energy, transition state and activated complex 68 questions Practice Read
Rate of reaction 46 questions Practice Read
Factors affecting rate of reaction 45 questions Practice Read
Rate expression or rate law 44 questions Practice Read
Half life period 40 questions Practice Read
Arrhenius equation & Maxwell boltzmann curve and catalysis overview 35 questions Practice Read
Determination of order of reaction 26 questions Practice Read
Physical and chemical methods of rate of reaction determination 22 questions Practice Read

S and P block elements

452 questions · 16 topics

Group 1 elements (alkali metals) 59 questions Practice Read
Group 2 elements (alkaline earth metals) 45 questions Practice Read
Trends in reactivity of group 1 and group 2 elements 45 questions Practice Read
Groups of the periodic table 41 questions Practice Read
Group IVA 34 questions Practice Read
Atomic radius 33 questions Practice Read
Blocks of the periodic table 29 questions Practice Read
Metallic and non metallic character of s & p block elements 29 questions Practice Read
Effect of heat on nitrates, carbonates, hydrogen carbonates 28 questions Practice Read
M.P and B.P of s & p block elements 27 questions Practice Read
Periods of the periodic table 27 questions Practice Read
Electrical conductivity of s & p block elements 21 questions Practice Read
Ionization energy of s & p block elements 13 questions Practice Read
Electron affinity of s & p block elements 12 questions Practice Read
Electronegativity of s & p block elements 5 questions Practice Read
Group IIIA 4 questions Practice Read

Thermochemistry

363 questions · 10 topics

Hess law of constant heat summation and Born Haber cycle 79 questions Practice Read
Definition of terms used in thermodynamics 51 questions Practice Read
Heat changes during a chemical reaction 46 questions Practice Read
First law of thermodynamics 40 questions Practice Read
Standard enthalpy of solution, atomization and neutralization 38 questions Practice Read
Measurement of enthalpy of reaction 37 questions Practice Read
Standard enthalpy change and it's signs “∆H” 23 questions Practice Read
Standard enthalpy of formation and combustion 19 questions Practice Read
Spontaneous process 17 questions Practice Read
Heat capacity, specific heat capacity and molar heat capacity 13 questions Practice Read

Transition Elements

266 questions · 11 topics

General characteristics of transition elements & electronic structure 71 questions Practice Read
Magnetic activity of transition elements 37 questions Practice Read
Oxidation state of transition elements 36 questions Practice Read
Introduction of transition elements 23 questions Practice Read
Coordination compounds 21 questions Practice Read
Interstitial compounds and Alloy formation 19 questions Practice Read
Colour of complexes 16 questions Practice Read
Catalytic activity of transition elements 14 questions Practice Read
Binding energy and M.P and B.P (Transition elements) 11 questions Practice Read
Covalent and ionic radii of transition elements 11 questions Practice Read
Shapes of complex ions 7 questions Practice Read