HP Board 12th Chemistry Model Paper 2025: Download Class 12 Chemistry Sample Paper PDF

HPBOSE HP Board Class 12th Chemistry Model Paper 2025: The Himachal Pradesh Board of School Education (HPBOSE) helps students prepare well for their academic journey. To help Class 12 students get ready for their board exams, the HP Board provides model papers. These papers show the exam pattern, marking scheme, and important topics. The Class 12th Chemistry Model Paper 2025 is an important resource for Science students who want to score well in this subject.  

We are sharing the model paper for Class 12 Chemistry, and students can check it out to prepare better.

Important Instructions For Candidates

1. There will be 28 questions in all.
2. Q.N. 1 to 12 are Multiple choice questions and Carry 1 mark each,
3. Q.N. 13 to 19 are Very short answer questions carrying 2 Marks each,
4. Q.N.20 to 24 are short answer questions carrying 3 marks each
5. Q.N. 25 is a case study-based question and carries 4 marks
6. Q. 26 to 28 are long answer questions carrying 5 marks each.
7. All Questions are compulsory however internal choices have been given.

HP Board Class 12 Chemistry Model Sample Paper 2025

1. Which of the following factors does not affect the solubility of a solid solute in a liquid solvent? a) Temperature c) Nature of the solute and solvent b) Pressure d) Particle size of the solute 1

2. In an electrochemical cell, reduction takes place at a) Cathode c) Salt bridge b) Anode d) None of these 1

3. With the increase in temperature, the conductivity increases a) Cu c) Si b) Wood d) Pt 1

4. The standard electrode potential of a half-cell is measured under standard conditions, which include: a) 1 M concentration of solutions, 298 K temperature, and 1 atm pressure b) 0.1 M concentration of solutions, 273 K temperature, and 1 atm pressure c) 1 M concentration of solutions, 273 K temperature, and 1 atm pressure d) 0.1 M concentration of solutions, 298 K temperature, and 1 atm pressure

6. The number of unpaired electrons in Fe3+ is a) 3 b) 4 c) 5 d) 6

7. In the chlorination of benzene, the role of anhydrous AlCl3 is to: a) Absorb HCl b) Act as an oxidizing agent c) Provide Cl₂ d) Act as a catalyst

8. Which of the following is the correct IUPAC name for CH3-CHO? a) Ethanal c) Ethanol b) Methanal d) Methanol

9. Aldehydes and ketones undergo nucleophilic addition reactions due to the presence of: a) Electron-rich carbonyl carbon b) Electron-deficient carbonyl carbon c) Electron-rich carbonyl oxygen d) Electron-deficient carbonyl oxygen

10. The initial conc. in a first-order reaction is 32 mol L-1 and t1/2 is 10 min. The conc. in mol L-1 after half an hour will be a .4 b. 3.2 c. 0.693/32 d. 320

11. Assertion (A): Carboxylic acids have higher boiling points than aldehydes and ketones of similar molecular weight. Reason (R): Carboxylic acids form strong hydrogen bonds with themselves, leading to the formation of dimers. (a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A). (b) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A). (c) Assertion (A) is true, but Reason (R) is false. (d) Assertion (A) is false, but Reason (R) is true.

12. Assertion (A): Phenol is more acidic than ethanol. Reason (R): The phenoxide ion formed after the loss of a proton from phenol is stabilized by resonance, whereas the ethoxide ion is not. (a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A). (b) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A). (c) Assertion (A) is true, but Reason (R) is false. (d) Assertion (A) is false, but Reason (R) is true.

This is Section-A of the HP Board Class 12th Chemistry  Model Paper. To get more questions from Section A along with other sections, students can directly download the PDF. We are providing the link below to download the model paper for free.

Overview of the 2025 HP Board Chemistry Model Paper

The model paper for Chemistry is designed as per the latest syllabus and guidelines issued by HPBOSE. Here’s an outline of its structure:

• Total Marks: 80 marks (theory)

• Exam Duration: 3 hours

How to get HP Board Class 12th Chemistry Model Paper 2024-25

The HPBOSE Class 12th Chemistry Model Paper 2025 is available on the official HPBOSE website. Follow these steps to download it:

• Visit the official HPBOSE website: www.hpbose.org.

• Navigate to the “Model Papers” section.

• Select the “Class 12th” category and look for the Chemistry model paper for 2025.

• Download and save the PDF for practice.

Other Related Links 

• HP Board Class 12 Model Sample Paper 2024-25
• HP Board Class 9 Syllabus 2024-25 
• HP Board Class 10 Syllabus 2024-25 
• HP Board Class 11 Syllabus 2024-25 
• HP Board Class 12 Syllabus 2024-25