BSEH Class 12 Chemistry guess paper 2026— Set A, B, C & D |Master Notes

On masternotes.in, we have carefully built four full predicted question papers for BSEH Class 12 Chemistry guess paper 2026— Set A, B, C & D. Each paper follows the exact pattern of the 2025-26 question paper design released by the Board, with the right number of MCQs, Very Short Answer, Short Answer, Case Study and Long Answer questions.

Why Are You Here Right Now?

If you are a Class 12 student from Haryana Board (BSEH) and your Chemistry exam is coming up, you are probably thinking one of these things :BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

“Kya aayega exam mein?”
“Which topics are most important for 2026?”
“Is there any predicted paper I can practice from?”

BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

What Is the BSEH Class 12 Chemistry Paper Pattern for 2026?

Before you practice anything, it helps to understand how the paper is structured. The Board of School Education Haryana has updated the question paper design for 2025-26. Here is a simple breakdown:BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

Question Type	Marks per Question	Number of Questions	Total Marks
Objective (MCQ + Fill in Blanks + OWA + Assertion-Reason)	1	18	18
Very Short Answer	2	7	14
Short Answer	3	5	15
Case Study	4	2	8
Long Answer	5	3	15
Theory Total		35	70
Practical	—	—	30
Grand Total			100

The exam is 3 hours long. Internal choices are given in Long Answer questions and in one part of each Case Study.

One big update for 2026 is the Assertion-Reason type questions — 3 marks come from this new format. Students who have only practised old papers (2023 format) need to also prepare for this type.BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

How Were These Predicted Papers Made?

These are not random guess papers. We followed a proper method:

Step 1 — Analysed Past Papers We studied all four sets (A, B, C, D) of the BSEH Class 12 Chemistry paper from 2023, 2024, and 2025. We noted which topics appeared in every single set, which appeared in 2 out of 4 sets, and which were asked only once.

Step 2 — Matched the New Syllabus The 2025-26 BSEH syllabus has 10 units. We made sure every unit gets questions according to the marks weightage given by the Board.

Step 3 — Identified the Highest-Frequency Topics Some topics came up in every past paper, every year. These are the topics that almost certainly will come in 2026 too. We marked them as ★★★ in Set D specially.

Step 4 — Built Four Complete Papers Each set has different questions from the others. Set D is the most confident one, built entirely from ★★★ highest-frequency topics.BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

Pervious Question Paper 2021 to 2025

File size

Chapter-Wise Most Important Topics for BSEH Chemistry 2026

Based on our 3-year analysis, here are the chapters and topics you should absolutely not skip:

Unit 1 — Solutions ⚡ (8 Marks)

Van’t Hoff factor — almost always in MCQ
Molarity and Molality calculations — appeared in all past papers
Colligative properties numericals — depression in freezing point, elevation in boiling point
Raoult’s Law — positive and negative deviations, azeotropes
Osmosis and reverse osmosis — concept + application

Unit 2 — Electrochemistry ⚡ (8 Marks)

Faraday’s Laws of Electrolysis + numerical — appeared in ALL past sets, every year
Electrolysis calculation (mass deposited at cathode) — must-do numerical
Kohlrausch’s Law — applications + degree of dissociation calculation
Nernst Equation — EMF calculation under non-standard conditions
Electrochemical Series — applications (4 applications asked regularly)
Corrosion — mechanism + prevention methods

Unit 3 — Chemical Kinetics ⚡ (7 Marks)

Order of reaction from rate constant units — MCQ asked in EVERY past paper
Integrated rate equation for first order reaction — derivation + half-life proof
Numerical on first order kinetics — “how long will it take…” type
Collision theory — explanation + effect of catalyst

Unit 4 — d & f Block Elements ⚡ (7 Marks)

KMnO₄ preparation from pyrolusite ore — appeared in 3 out of 4 sets
K₂Cr₂O₇ oxidation reactions — ionic equations (KI, FeSO₄, H₂S)
Transition metal properties — why coloured, catalytic, paramagnetic
Magnetic moment calculation — appeared in ALL past sets
Lanthanoid contraction — causes + consequences

Unit 5 — Coordination Compounds ⚡ (7 Marks)

IUPAC naming — appeared in ALL past sets
Coordination number MCQ — every year without fail
Types of isomerism — ionisation, linkage, optical with examples
VBT and CFT — magnetic properties, crystal field splitting

Unit 6 — Haloalkanes & Haloarenes (6 Marks)

SN1 and SN2 mechanisms — reactivity order of isomers
Ambident nucleophiles — with example
Polyhalogen compounds — DDT, Freons, Iodoform (short notes)

Unit 7 — Alcohols, Phenols and Ethers (6 Marks)

Phenol more acidic than alcohol — reason + resonance
Lucas test — to distinguish 1°, 2°, 3° alcohols
Reactions of phenol — with bromine water, HNO₃, acetic anhydride
Kolbe’s reaction, Reimer-Tiemann reaction
Williamson ether synthesis

Unit 8 — Aldehydes, Ketones and Carboxylic Acids ⚡ (8 Marks)

This is the highest marks unit and also the most asked in long answers.

Aldol condensation — appeared in 3 of 4 sets
Cannizaro reaction — appeared in ALL past sets, every year
Clemmensen and Wolff-Kishner reduction
Iodoform test — compounds that give it + those that don’t
HVZ reaction
Organic compound identification problem (C₈H₈O type) — appeared in 3 sets

Unit 9 — Amines (6 Marks)

Carbylamine reaction — appeared in 3 sets
Diazonium salt reactions — Sandmeyer, Gattermann, Balz-Schiemann
Basicity order of amines — aliphatic vs aromatic, in aqueous solution
Gabriel phthalimide synthesis + Hoffmann bromamide reaction

Unit 10 — Biomolecules ⚡ (7 Marks)

DNA vs RNA difference — appeared in ALL four sets of 2023
Starch vs Cellulose — structural difference, glycosidic linkage
Reducing vs non-reducing sugar — with examples
Vitamins — deficiency diseases (appeared in every single paper)
Essential vs non-essential amino acids

About the Four Predicted Sets

📄 Set A — The Baseline Paper

Set A covers all 10 units systematically. It is a well-balanced paper that tests every unit fairly. Great as your first practice paper — attempt this before looking at anything else.

Key highlights: Van’t Hoff factor for Na₂SO₄, SHE potential, Coordination number of Co, Aldol/Cannizaro/HVZ reactions, Organic identification (C₉H₁₀O), Colligative properties Case Study, KMnO₄ preparation.

📄 Set B — The Concept-Heavy Paper

Set B goes deeper into concepts. It has fresh topics not in Set A. If you found Set A easy, this one will challenge you more.

Key highlights: Henry’s Law, Nernst equation, Arrhenius equation, Gabriel synthesis, Dehydration of ethanol, Osmosis + boiling point elevation, Transition metal properties, Diazonium salt conversions, Biomolecules Case Study. BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

BSEH Class 12 Chemistry guess paper 2026|Master Notes

📄 Set C — The Smart Paper (with ★ predictions)

Set C mixes fresh questions with some high-frequency topics. It introduces topics that have been missing from recent papers and are therefore overdue for 2026.

Key highlights: Raoult’s Law + vapour pressure numerical, Corrosion mechanism, Collision theory, Reactivity of bromobutane isomers, Chelate effect (Assertion-Reason), Aldehydes/Ketones Case Study, Phenol identification problem (C₇H₈O), Electrochemistry Case Study. BSEH 12th Chemistry sample paper 2026

📄 Set D — The MOST PREDICTED Paper ★★★

This is the paper we are most confident about. Every single question comes from the highest-frequency topics identified across 3 years of BSEH papers. If you only have time to practise one paper — practise Set D. BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

Key highlights:

K₂SO₄ Van’t Hoff factor MCQ
Second-order reaction rate constant MCQ
Coordination number of [Cr(en)₂Cl₂]⁺
SN1 reactivity order
Iodoform test MCQ
DNA base (Thymine) one-word answer
Depression in freezing point with Van’t Hoff factor numerical
First-order kinetics numerical (reduce to 1/16th)
Werner’s theory (primary + secondary valence)
Cannizaro + Aldol + Clemmensen reactions in one Long Answer
d-Block Case Study with KMnO₄ + magnetic moment
Organic ID Case Study (C₈H₈O = Acetophenone)
Faraday’s Laws + NiSO₄ electrolysis calculation
Lanthanoid contraction + transition metal properties

5 Smart Tips to Use These Papers Effectively

1. Attempt in Exam Conditions First Sit down for 3 hours with no phone, no notes. Attempt the paper as if it is the real exam. This is the only way to know your actual speed and weak areas.

2. Start with Set D Set D has the highest probability questions. If you are short on time, prioritise this one. Cover it fully before touching Sets A, B, and C. BSEH 12th Chemistry sample paper 2026

3. Focus on Numericals At least 10 marks every year come from calculations — electrolysis, molarity/molality, kinetics time calculations, magnetic moment, and colligative properties. Never skip numericals.

4. Learn All Reactions with Equations In Long Answer questions, equations carry marks. A correct mechanism with wrong equation gets partial marks. Write every reaction equation while studying — not just the name. BSEH 12th Chemistry sample paper 2026

5. Revise the Assertion-Reason Format This is new in the 2025-26 design. Practise identifying whether both A and R are true, and whether R correctly explains A. The four options confuse students who have not practised this type. BSEH Class 12 Chemistry guess paper 2026— Set A B C & D

Haryana Board Class 12 Chemistry question paper 2026

Set A 2026	Click here
Set B 2026	Click here
Set C 2026	Click here
Set D 2026	Click here

BSEH Chemistry predicted paper Set A B C D 2026

A Note to Every Student Reading This

Ek baat seedhi — Chemistry Class 12 ka paper mushkil zaroor lagta hai, lekin yeh utna bhi mushkil nahi jitna lagta hai. Agar aap sahi topics pe dhyan do aur past paper practice karo, toh 60+ marks theory mein bilkul possible hai.

Yeh jo papers hain — Set A, B, C, aur D — yeh sirf guess papers nahi hain. Yeh ek proper analysis ka result hain. Har question ke peechhe data hai, pattern hai, reason hai. Chemistry predicted paper 2026,BSEH 12th Chemistry sample paper 2026

Padho. Practice karo. Confident raho. You’ve got this. 💪

Quick Revision Checklist Before the Exam

Use this list in the last 2 weeks before your Chemistry exam:

☐ All colligative property formulas (ΔTf, ΔTb, π = CRT)
☐ Faraday’s laws + electrolysis calculation method
☐ First order integrated rate equation + t½ derivation
☐ KMnO₄ preparation steps (3 steps with equations)
☐ K₂Cr₂O₇ reactions with KI, FeSO₄, H₂S (ionic equations)
☐ Magnetic moment formula: μ = √n(n+2) BM
☐ Coordination compound IUPAC naming rules
☐ All types of isomerism in coordination compounds
☐ SN1 and SN2 — order of reactivity, mechanism
☐ Aldol condensation + Cannizaro with equations
☐ Iodoform test — which compounds give it, which don’t
☐ Diazonium salt reactions — Sandmeyer, Gattermann, Balz-Schiemann
☐ Phenol reactions — bromine water, HNO₃, Kolbe’s, Reimer-Tiemann
☐ DNA vs RNA — 5 differences
☐ Vitamins — deficiency diseases (all four: A, B₁, C, D)

Frequently Asked Questions (FAQ)

Q1. Are these papers official BSEH papers? No. These are predicted papers made by masternotes.in based on analysis of past BSEH papers and the 2025-26 syllabus. They are for practice only. Chemistry predicted paper 2026

Q2. How many questions will actually come from these sets? Based on our analysis, students who practice all four sets typically find that 60–75% of the actual paper topics overlap with what we have covered. No one can guarantee 100%, but these are the most prepared you can be.

Q3. Which set should I practise first? Start with Set D (most predicted), then Set A (baseline), then Set C (overdue topics), and finally Set B (concept-heavy).

Q4. Are the solutions available? We are working on detailed answer keys for all four sets. Keep checking masternotes.in for updates! BSEH 12th Chemistry sample paper 2026

Q5. Is this paper for BSEH only or CBSE also? The syllabus content is almost the same (NCERT-based), but the question paper pattern (especially the new Case Study format and Assertion-Reason in BSEH) is different from CBSE. These papers are designed specifically for BSEH Haryana Board.BSEH 12th Chemistry sample paper 2026

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Article by masternotes.in | For educational purposes only | All papers are predicted and not official BSEH documents

About Author :-

Mr. Dinesh Kumar

S.NO	Name of Chapter	View
1.	Solid State	Click
2.	Solution	Click
3.	Electrochemistry	Click
4.	Chemical Kinetics	Click
5.	Surface Chemistry	Click
6.	General Principles and Processes of Isolation of Elements	Click
7.	The p-Block Elements	Click
8.	The d-and f-Block Elements	Click
9.	Coordination Compounds	Click
10.	Haloalkanes and Haloarenes	Click
11.	Alcohols, Phenols and Ethers	Click
12.	Aldehydes, Ketones and Carboxylic Acids	Click
13.	Amines	Click
14.	Biomolecules	Click
15.	Polymers	Click
16.	Chemistry in Everyday Life	Click