JKBOSE Class 11th Chemistry Question Paper Held for Annual Regular 2025 (Winter Zone): Download PDF
The Jammu and Kashmir Board of School Education (JKBOSE) on 25th November 2025 successfully conducted the Class 11th Chemistry Annual Regular 2025 examination for Winter Zone students of the Union Territory. The examination was held across various examination centres under strict supervision and as per the schedule issued earlier by the board.
Chemistry is one of the most significant subjects in Class 11th, especially for students who aspire to build careers in fields such as Medical, Engineering, Pharmacy, Research, and other higher scientific studies. The smooth conduct of the exam has brought relief to thousands of students who had been busy with their preparations over the past months.
In this detailed article, we take a look at the question paper format, difficulty level, marking pattern, as well as how students felt about the exam. We have also provided the Chemistry Question Paper PDF for students to download at the end of the article.
📝 Exam Overview – JKBOSE Class 11th Chemistry 2025
| Particular | Details |
|---|---|
| Board | Jammu & Kashmir Board of School Education |
| Class | 11th |
| Subject | Chemistry (Annual Regular 2025) |
| Zone | Winter Zone (Jammu & Kashmir) |
| Exam Date | 25 November 2025 |
| Time Allowed | 3 Hours |
| Maximum Marks | 70 Marks |
| Paper Code | 1209-B |
The uploaded copy of the question paper verifies the structure and instructions provided to students during the examination.
Paper Structure: Four Sections, Choice Available
As per the General Instructions, students were instructed to attempt any 60 marks out of the total 70, giving them some flexibility in choosing questions.
The question paper consisted of four compulsory sections:
🔹 Section A – Objective Type (MCQs)
- 10 Questions × 1 mark each
- Total: 10 Marks
- Covered fundamental concepts like:
- Moles and molecules
- Oxidation state
- Aromatic compounds
- Electrons and quantum mechanics
- Acidity and physical properties
Example questions (from the paper pages shown):
- Which oxide is most acidic?
- Identify the hybridization of XeOF₂
- pH of 0.001M H⁺ solution
🔹 Section B – Very Short Answers
- 9 Questions × 2 marks each
- Answer in 20–30 words
- Total: 18 Marks
Topics focused on:
- Newland’s Law of Octaves
- Strong & weak electrolytes
- Redox reactions
- Inductive effect
- Electrophiles and Carbocations
🔹 Section C – Short Answers
- 9 Questions × 3 marks each
- Answer in 100–150 words
- Total: 27 Marks
These included a mix of theory + numerical problems:
- NH₃ formation from chemical reaction
- Law of multiple proportion
- de Broglie’s equation derivation
- Factors affecting equilibrium
- Hybridization of molecules such as XeOF₂, SF₆, BeCl₂, CO₂
🔹 Section D – Long Answers
- 3 Questions × 5 marks each
- Answer in 150–200 words
- Total: 15 Marks
- Internal choice available
Examples from the paper:
- Rutherford’s gold foil experiment
- Shapes of S, P, d orbitals
- Enthalpy of formation; Hess’s Law
- Hyperconjugation and carbocation stability
- IUPAC naming of organic compounds
🔍 Overall Difficulty Level
Based on initial feedback from students and teachers:
| Section | Difficulty | Remarks |
|---|---|---|
| Section A | Easy–Moderate | Concept-based but direct |
| Section B | Easy | Expected questions from textbook |
| Section C | Moderate | Required understanding + clarity |
| Section D | Moderate–Challenging | Some long questions were tricky |
Many students felt Organic Chemistry questions were slightly tricky, particularly hybridization and electrophiles-related questions.
Physical chemistry numerical questions were considered manageable by most examinees.
Overall, the paper was balanced and student-friendly with plenty of internal choice.
📘 Syllabus Coverage
The question paper covered all major units from the NCERT-aligned JKBOSE syllabus, including:
- Atomic structure
- Chemical thermodynamics
- States of matter
- Chemical equilibrium
- Organic chemistry basics
- Redox reactions
- Periodic classification
- Chemical bonding & hybridization
No significant out-of-syllabus questions were reported.
🎯 What This Exam Means for Students
The Class 11th results act as an important internal filter for:
✔ Class 12th stream allotment
✔ Base preparation for NEET, JEE & CUET
✔ Concept building for advanced Chemistry topics
Students who performed well in this exam are likely to gain more confidence moving into the next academic phase.
💡 Tips for Students After Chemistry Exam
- Revise mistakes by marking weak topics from this paper
- Continue practicing numerical parts of Physical Chemistry
- Strengthen Organic Chemistry mechanisms through flow-charts
- Use NCERT solved examples and past papers for consistency
Upcoming subjects will hold equal importance, so balance preparation across all papers.
📥 Download JKBOSE Class 11th Chemistry Question Paper PDF
Students who wish to review or practice the same paper can download it from the link below:
👉 Download PDF – JKBOSE 11th Chemistry Annual Regular 2025 (Winter Zone)
🧾 Source: Kashmir Student Alerts
🔻 PDF Link Click here
