B.Sc (hons) Chemistry Semester 3 Previous Year Question Papers
All Semester 3 subjects for B.Sc (hons) Chemistry at Delhi University — 6 subjects, 29 previous year question papers from 2023–2026. Open any subject to view or download the original PDF papers by year.
Paper types this semester: DSC, DSE.
This semester carries 3 core (DSC) subjects and 3 discipline elective (DSE) subjects. Each subject below links to its own page with every available previous year paper — filter by year, then open or download the PDF directly.
Core papers (DSC)
Discipline electives (DSE)
Sample questions from B.Sc (hons) Chemistry Semester 3 papers
- Carbonyls, Carboxylic Acids, Amines, Nitro Compounds, Nitriles, Isonitriles, and Diazonium Salts (2026)
Acids, Amines, Nitro And Diazonium Salts
- Chemical Equilibrium, Ionic Equilibrium, Conductance, and Solid State (2026)
Conductance and Solid State (a) What is Walden's rule? Explain, why is it not applicable to cations of small size.
- Chemistry of d- and f-Block Elements and Quantitative Inorganic Analysis (2026)
Attempt four questions in all. Explain the following by giving reasons. (a) Although gold and platinum have lower ionization enthalpy then 3d transition elements yet they are noble metals. Explain.
- Green Chemistry in Organic Synthesis (2025)
N`ame of the Paper Durat'ion : 3 Hours` : DSE : Green Chemistry in Organic Synthesis : B.Sc. Qlons.) Chemistry
- Inorganic Materials of Industrial Importance (2026)
How did Portland cement get its name? Explain the process of setting and hardening of Portland cement using suitable chemical reactions.
- Solutions, Colligative Properties, Phase Equilibria, and Adsorption (2025)
Attempt SIX questions in all. a. b. c. How does the addition of succinic acid affect the C.S.T of phenol-water system? Explain.
Tools for Semester 3
- SGPA CalculatorWork out this semester's SGPA from your marks
- Exam KitPlan revision across all 6 subjects this semester
- DU Semester 3 Exam Guide: Second-Year Preparation StrategyA targeted preparation guide for Delhi University second-year students facing Semester 3 exams — handling advanced DSCs, choosing DSEs, and managing increased difficulty.
Frequently asked questions
- Where can I find B.Sc (hons) Chemistry Semester 3 previous year question papers?
- This page lists all 6 Semester 3 subjects of B.Sc (hons) Chemistry with 29 question papers from 2023–2026. Open a subject to view or download the PDFs.
- How many subjects are in B.Sc (hons) Chemistry Semester 3?
- 6 subjects have question papers listed for B.Sc (hons) Chemistry Semester 3.