Grade 12 Chemistry Guess Paper 2026 FBISE | Important Questions | Federal Board

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🔥 Grade 12 Chemistry Guess Paper 2026 (FBISE) – Important Questions & Topics

Preparing for your Federal Board Chemistry Exam 2026? This carefully designed Guess Paper covers the most important concepts, examples, and exercises from each unit to help you revise smartly and score maximum marks.

📌 For complete study material, visit: 👉 AmurChem All-in-One Study Resource

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📘 Unit 2 – Electrochemistry

• Concept Assessment: 2.2, 2.3, 2.4, 2.8
• Examples: 2.4, 2.6, 2.7, 2.8, 2.9
• Galvanic Cell (Working + Diagram)
• Standard Hydrogen Electrode (SHE)
• Factors Affecting Product of Electrolysis

📘 Unit 3 – Chemical Equilibrium

• Buffer Solutions & Applications
• Example 3.2
• Exercise Questions: Q5, Q6
• Factors Affecting Partition Coefficient

📘 Unit 4 – Acids & Bases

• pH Titration Curves
• Exercise Q3 (3)
• Sketch: Titration of 20cm³ of 0.2M NH₃ with 0.1M HCl (pH curve + endpoint explanation)

📘 Unit 5 – s-Block Elements

• Ionization Energy Trends
• Reaction with Oxygen (Basic Oxides Formation)
• Concept Assessment 5.1
• Uses of Limestone & Slaked Lime
• Thermal Stability of Group 2 Compounds
• Solubility Trends (Hydroxides & Sulphates)

📘 Unit 6 – d-Block Elements

• Electronic Configuration
• Exceptions in Density, Atomic Size & Melting Point
• Variable Oxidation States
• Catalytic Activity
• Ligands & Complex Formation
• Colours of Complexes
• Exercise 6.1

📘 Unit 7 – Coordination Compounds

• Cis-Trans Isomerism (Identification + Properties)
• Optical Isomerism (Conditions + Detection)
• Concept Assessment 7.1, 7.2

📘 Unit 8 – Aromatic Compounds

• Drawbacks of Kekulé Structure
• Molecular Orbital Theory of Benzene
• Electrophilic Substitution Reactions
• Oxidation of Toluene
• Nitro Group as Meta Directing
• Concept Assessment 8.1

📘 Unit 9 – Organic Reaction Mechanisms

• Carbocations Stability
• Reactivity of Halogenoalkanes
• SN1 vs SN2 (Mechanism + Differences)
• Silver Nitrate Test

📘 Unit 10 – Phenols

• Naphthol Isomers
• Reactions of Phenol
• Acidity Comparison (Water, Phenol, Ethanol)
• Diazonium Salt Reactions

📘 Unit 11 – Carboxylic Acids

• Acidity of Benzoic Acid
• Preparation & Oxidation Reactions
• Comparison of Acidity
• Acyl Chloride Mechanism
• Hydrolysis Comparisons

📘 Unit 12 – Nitrogen Compounds

• Preparation of Amines
• Basicity Comparison
• Hydrolysis of Nitriles
• Basicity of Amides

📘 Unit 13 – Macromolecules

• Addition vs Condensation Polymers
• Kevlar & Polyester
• Biodegradable vs Non-Biodegradable
• Concept Assessment 13.1, 13.2

📘 Unit 15 – Biochemistry

• Enzyme Inhibition (Competitive vs Non-Competitive)
• Factors Affecting Enzymes
• DNA vs RNA
• Functions of Lipids
• Structure of Proteins & Carbohydrates

📘 Unit 16 – Analytical Techniques

• Graphical Techniques
• Data Variables

📘 Unit 17 – Mass Spectrometry

• Determination of Molecular Mass
• Detection of Cl & Br
• Carbon Number Deduction

📘 Unit 18 – Spectroscopy

• IR Spectroscopy (Graphs)
• UV Spectroscopy (Table 18.2)
• AES vs AAS
• NMR Practice
• Concept Assessment 18.2

📘 Unit 19 – Chromatography

• Thin Layer Chromatography (TLC)
• Selection of Phases

📘 Unit 20 – Industrial Chemistry

• Catalysis
• Alloying

📘 Unit 22 – Environmental Chemistry

• Raw Materials

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💡 Final Tip

Don’t try to study everything at the last moment — focus on these high-yield topics. Smart students revise important concepts multiple times instead of reading everything once.

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