Chemistry Guess Paper HSSC-II 2025
Are you preparing for the FBISE Chemistry HSSC-II (2nd Year) exams in 2025? This carefully curated guess paper highlights the most important exercises and questions from the syllabus to help you focus on key topics and score better.
Important Questions & Topics for FBISE Exams 2025
GUESS PAPER
Class 12 - Chemistry | Guess Paper
Chapter 13
- Trend of melting and boiling point
- Bond enthalpy of X2
- Electron affinity
- Factors affecting ionization energy
- Inert pair effect
- Fajan's rule
- Acid base behaviour of oxides
- Mustard gas
- Reaction of simple oxides, super oxides, peroxides
- Flame test
- Beryllium is different from other members of its group
Chapter 14
- Why 1B, 2B, and 3B are transition elements
- Electronic configuration of copper, chromium, zinc, manganese
- Binding energy
- Naming of complex compounds
- d-d transition
- Paramagnetic, diamagnetic, and ferromagnetic materials
- Reaction of Fe and Cu with NaOH, NH3, and CO32−
Chapter 15
- Partial and total synthesis
- Homologous series and its characteristics
- Bucky ball
- Detection test for C, S, and X
Chapter 16
- Why benzene is aromatic?
- Differentiate between saturated and unsaturated hydrocarbons
- Nomenclature of alkene and alkyne
- Why alkanes are inert?
- Tautomerism and metamerism with examples
- Compare the reactivity of alkane, alkene, and alkyne
- Markovnikov's rule with examples
- Sulphonation of benzene with mechanism
- MOT or resonance energy of benzene
- Acidity of terminal alkynes
- Friedel-Crafts alkylation and acylation
- Classification of benzene (para, meta, and ortho)
Chapter 17
- Lucas test
- Reactivity of alkyl halide
- Comparison of SN1 and SN2
- Reaction of Grignard reagent with aldehyde and ketones
- Comparison of basicity of ammonia and methyl amine
- Formation of diazonium salt
- Reaction of amine with alkyl halide, primary aldehydes, and ketones
Chapter 18
- Mechanism of alcohol condensation to give ether
- Reactivity order of alcohol when C–O and C–H bonds break
- Comparison of acidity of phenol and carboxylic acid
- Williamson's synthesis
Chapter 19
- Ozonolysis of alkene
- Relative reactivity of aldehyde and ketone
- Iodoform test
- Cannizzaro's reaction
- Hydride reduction of aldehyde and ketones
- Test to distinguish aldehyde and ketones
Chapter 20
- Hydrolysis of nitriles
- Fischer esterification with mechanism
- Reduction of nitriles
- Reaction of Grignard reagent with nitriles
Chapter 21
- Comparing energy level of carbohydrates, proteins, and fats
- Different structures of proteins
- Saponification
Chapter 22
- Define dye, auxochrome, and chromophore
- Azo dyes
- Types of hair dyes and their application
- Fraction of petrochemicals - composition and uses
- Types of adhesive
- Vat dyes and mordant dyes
- Raw materials of nail polish
Chapter 23
- Oxidizing and reducing smog
- Conditions for photochemical smog
- Ozone depletion
- Pesticide
- Waste water treatment
Chapter 24
- Differentiate between AES and AAS
- Determine EF and MF
- Types of IR region
- Nuclear Magnetic Resonance (NMR)