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Chemistry Class 11 Guess Paper 2026 FBISE Federal Board Important Questions & Numericals

⭐ HSSC-I · Session 2025–2026

Chemistry Class 11 Guess Paper 2026
FBISE Federal Board

Important questions & topics from Chapters 2 to 22 — with video explanations and exam-focused practice.

21Chapters
80+Topics
100%Free
FBISEFederal Board

⚗️ Chapter-Wise Important Topics

CH 2 Atomic Structure

Quantum Numbers Atomic Size Determination of Electronic Configuration Trends & Anomalies in Ionization Energy + Factors Mass Spectrometer

CH 3 Chemical Bonding

VSEPR Theory (Practice) + Limitations Comparison of Strength of Sigma and Pi Bonds Hybridization (Most Important) Valence Bond Theory (VBT) Practice Why is Ice Less Dense than Water? Molecular Orbital Theory (MOT) Practice

CH 4 Stoichiometry

Determine Mole-Volume Relation (Numerical) Limiting and Non-Limiting Reactant Numericals Why Theoretical Yield is Always Greater than Actual Yield? Yield Calculations

CH 5 States of Matter

Factors Affecting Evaporation and Surface Tension Difference Between Amorphous and Crystalline Solids Properties of Crystalline Solids Effect of Vapour Pressure on Boiling Point

CH 6 Thermochemistry

Conditions for Standard Heat of Reaction Standard Heat of Formation, Solution, Neutralization & Combustion Bond Energy Calculations Hess's Law and its Applications Born-Haber Cycle Numericals

CH 7 Chemical Kinetics

Define Rate Law and Order of Reaction Determining Order of Reaction Mechanism of Reaction Effect of Temperature on Rate of Reaction Endothermic and Exothermic Reactions Example 7.2, 7.4, 7.5 Assessment 7.3

CH 8 Chemical Equilibrium

Why Chemical Equilibrium is Dynamic? Magnitude of Kc and Position of Equilibrium Haber's Process / Contact Process Assessment 8.6, 8.5, 8.4, 8.2

CH 9 Acids, Bases & Salts

Conjugate Acid and Conjugate Base Buffer Solution and its Applications Concept Assessments 9.2, 9.5 Strong and Weak Acids and Bases Salt Hydrolysis Precipitation Reactions

CH 10 Periodic Table

Trends in Chemical Properties How to Find the Position of Element in a Periodic Table? Reaction of Chlorides with Water Metal, Non-Metals and Metalloids Identification of Unknown Elements

CH 11 Nitrogen & Sulphur Compounds

Mechanism of Formation of PAN Properties and Uses of Sulphur

CH 12 Halogens

Reactivity Order of Halogens and Acidic Strength Thermal Stabilities Reducing Strength of Halides

CH 13 Environmental Chemistry — Air

Types of Smog Acid Rain

CH 14 Environmental Chemistry — Water

Conservation and Management Strategies for Water Resources

CH 15 Organic Chemistry

Calculating Empirical and Molecular Formula Catenation and Formation of Millions of Organic Compounds Homologous Series and its Properties Why Alkanes are Inert? Elimination Reactions Free Radical Substitution Isomerism All Concept Assessments

CH 16 Hydrocarbons

Why Benzene is Aromatic? Reactivity of Alkanes Preparation of Alkenes Stability of Carbocations Ozonolysis of Alkenes Markovnikov Rule

CH 17 Halogenoalkanes

Leaving Group Nucleophile Substrate Reactivity Preparation of Alkyl Halides Elimination Reactions

CH 18 Alcohols

Preparation of Alcohols Acidity of Alcohols Lucas Test Oxidation of Primary, Secondary & Tertiary Alcohols

CH 19 Carbonyl Compounds

Reduction of Aldehydes and Ketones with Hydrides Nucleophilic Addition of HCN Mechanism Oxidation Reactions of Aldehydes and Ketones Preparation of Carboxylic Acids by Hydrolysis of Nitriles Preparation of Esters with Mechanism

CH 20 Nitrogen Containing Compounds

Preparation of Primary, Secondary, Tertiary Amines Comparison of Basicity: Ammonia vs Methylamine Reduction Reactions Preparation of Diazonium Salt

CH 21 Organic Synthesis

Tests Used for Identification of Functional Groups CA 21.1

CH 22 Energy

Fractions of Petroleum and Their Uses

For more focused preparation, explore our Chemistry Guess Paper for Class 11.

For other subjects, visit our FBISE Guess Paper Collection.

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