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Are you preparing for the FBISE Chemistry HSSC-I (1st Year) exams in 2026? This carefully curated
guess paper
highlights the most important exercises, numericals, and questions from the syllabus to help you focus on key topics and score better in board exams.
Important Questions & Topics for FBISE Exams 2026
GUESS PAPER 2026
Chapter 2
- Quantum Numbers
- Atomic Size
- Determination of Electronic Configuration
- Trends and Anomalies in Ionization Energy + Factors
- Mass Spectrometer
Chapter 3
- 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
Chapter 4
- Determine Mole-Volume Relation (Numerical)
- Limiting and Non-Limiting Reactant Numericals
- Why Theoretical Yield is Always Greater than Actual Yield?
- Yield Calculations
Chapter 5
- Factors Affecting Evaporation and Surface Tension
- Difference Between Amorphous and Crystalline Solids
- Properties of Crystalline Solids
- Habit of Crystal and Geometrical Shape
Chapter 6
- Conditions for Standard Heat of Reaction
- Standard Heat of Formation, Solution, Neutralization, and Combustion
- Bond Energy Calculations
- Define System and Surroundings
- Hess’s Law and its Applications
- Born-Haber Cycle Numericals (Most Important)
Chapter 7
- Define Rate Law and Order of Reaction
- Determining Order of Reaction
- Arrhenius Equation
- Graphs of Endothermic and Exothermic Reactions
- Example 7.2, 7.4, 7.5
- Assessment 7.3
Chapter 8
- Difference Between Reversible and Irreversible Reactions
- Why Chemical Equilibrium is Dynamic?
- Magnitude of Kc and Position of Equilibrium
- Le Chatelier's Principle and Factors Affecting Equilibrium
- Haber's Process
- Example 8.5
Chapter 9
- Lewis Concept
- Conjugate Acid and Conjugate Base
- Buffer Solution and its Applications
- Precipitation Reactions
Chapter 10
- Why Group 1 & 2A are Called s-Block Elements?
- Why Group 3A to 8A are Called p-Block Elements?
- Reaction of Chlorides with Water
- Identification of Unknown Elements
Chapter 11
- Mechanism of Formation of PAN
- Properties and Uses of Sulphur
Chapter 12
- Reactivity Order of Halogens and Acidic Strength
- Thermal Stabilities
- Reducing Strength of Halides
Chapter 13
- Types of Smog
- Acid Rain
Chapter 14
- Conservation and Management Strategies for Water Resources
Chapter 15
- 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
Chapter 16
- Why Benzene is Aromatic?
- Dehydration of Alcohols
- Hydrohalogenation of Alkenes
- Stability of Carbocations
- Ozonolysis of Alkenes
- Geometrical Isomerism
Chapter 17
- Leaving Group
- Nucleophile
- Substrate
- Elimination Reactions
Chapter 18
- Alcohols
- Lucas Test
- Iodoform Test
- Oxidation of Primary, Secondary, and Tertiary Alcohols
Chapter 19
- Haloform Reaction
- Reduction of Aldehydes and Ketones with Hydrides
- Reaction with 2,4-DNPH
- Oxidation Reactions of Aldehydes and Ketones
- Tests to Distinguish Aldehydes and Ketones
- Preparation of Carboxylic Acids by Hydrolysis of Esters
- Preparation of Esters with Mechanism
- Hydrolysis of Esters
Chapter 20
- Physical Properties of Amines
- Comparison of Basicity: Ammonia vs Methylamine
- Primary vs Secondary Amines
- Preparation of Diazonium Salt
Chapter 21
- Tests Used for Identification of Functional Groups
- CA 21.1
Chapter 22
- Fractions of Petroleum and Their Uses
For more focused preparation, explore our Chemistry Guess Paper for Class 11 .
Also check out our Mathematics Guess Paper for Class 11 for additional exam preparation.
For other subjects, visit our FBISE Guess Paper Collection .
Tags
Chemistry Class 11 Guess Paper 2026
FBISE Chemistry Guess Paper 2026
Federal Board Chemistry Important Questions