Chemistry
TS Intermediate 1st Year Chemistry — 13 chapters from the official TGBIE Annual Plan 2025-26. Covers Atomic Structure, Chemical Bonding, Thermodynamics, Equilibrium, s & p Block Elements, and Organic Chemistry. Common to both MPC and BiPC streams.
Study Resources
🧮Chapter-wise
Formula Sheet
All key formulas and constants
Explore →⚗️Chemistry
Important Reactions
Named reactions and equations for exam
Explore →📝SAQ · LAQ
Important Questions
High-frequency SAQ and LAQ questions
Explore →✅Track Progress
Revision Checklist
Chapter-wise what to revise before exam
Explore →⏰Exam Day Prep
Last-Minute Revision
30-point rapid review for exam day
Explore →✍️Score More
Exam Writing Tips
How to present answers for full marks
Explore →📄Practice Papers
Model Papers
Practice papers with marking scheme
Explore →📋Past Papers
Previous Year Papers
TGBIE past exam papers
Explore →Syllabus — 13 Chapters (2025-26)
1
Atomic Structure
Sub-atomic particles, Rutherford model, Bohr model, quantum mechanical model, orbitals, electronic configurations
2
Classification of Elements and Periodicity in Properties
Modern periodic law, periodic table, electronic configuration, periodic trends (atomic radius, IE, EN)
3
Chemical Bonding and Molecular Structure
Ionic bond, VSEPR, valence bond theory, hybridisation, MOT, hydrogen bonding
4
States of Matter: Gases and Liquids
Intermolecular forces, gas laws, ideal gas equation, kinetic molecular theory, real gases, van der Waals equation
5
Stoichiometry
Mole concept, empirical/molecular formula, percentage composition, stoichiometric calculations, redox reactions, titrimetry
6
Thermodynamics
Thermodynamic terms, enthalpy, Hess's law, Gibbs energy, spontaneity, entropy, third law
7
Chemical Equilibrium and Acids-Bases
Law of mass action, Kp and Kc, Le Chatelier's principle, ionic equilibrium, pH, buffers, solubility product
8
Hydrogen and its Compounds
Dihydrogen, hydrides, water — structure and properties, hydrogen peroxide, heavy water, hydrogen as fuel
9
s-Block Elements
Alkali metals (Group 1) and alkaline earth metals (Group 2) — properties, compounds of Na and Ca
10
p-Block Elements — Group 13 (Boron Family)
Electronic configuration, trends, boron anomaly, borax, boric acid, diborane, aluminium compounds
11
p-Block Elements — Group 14 (Carbon Family)
Electronic configuration, trends, allotropes of carbon, CO, CO₂, silica, silicones, silicates, zeolites
12
Environmental Chemistry
Air, water and soil pollution, acid rain, stratospheric pollution, ozone layer, green chemistry
13
Organic Chemistry — Basic Principles and Hydrocarbons
Tetravalency, IUPAC nomenclature, isomerism, reaction mechanisms, alkanes, alkenes, alkynes, aromatic hydrocarbons