Class 12 Chemistry Sample Paper 2024-25 Out, Download PDF with Solutions

The CSBE has released the Class 12 Chemistry Sample Paper 2024-25 on its official website: cbseacademic.nic.in. Along with the sample paper, marking scheme for the chemistry board exam paper and the sample paper solutions have been also published. Students who are going to take the CBSE class 12 chemistry board exam in the academic session 2024-25 can download the official sample paper PDF from this article for free along with the answers.

Class 12 Chemistry Sample Paper 2024-25

As Class 12 students continue through the school year, they will discover that the Chemistry sample paper 2024-25 is a crucial resource for studying and practicing for their board exams. The Class 12 Chemistry sample paper is carefully crafted to mirror the structure and difficulty level of the board exams. Having a good understanding of the question paper format and marking scheme will enable students to tackle their study sessions with assurance and effectiveness.

Chemistry Sample Paper Class 12 CBSE 2024-25

The subject is challenging for many students due to their difficulty in grasping the concepts. Understanding all the topics requires a considerable amount of time for them. Therefore, in order to assist them in getting ready for the board exam, we have made available the CBSE Class 12 Chemistry Sample Paper. The CBSE Class 12 Chemistry Sample Paper is created by subject experts according to the updated CBSE exam pattern and revised syllabus.

CBSE Class 12 Chemistry Sample Paper with Solution

Some of the important sample paper questions has been provided below. Answering these questions will provide valuable practice for students, enabling them to complete the entire Chemistry exam within the allocated time. The solutions PDF for these answers is also given below in the article.

Q) Ammonolysis of ethyl chloride followed by reaction of the amine so formed with 1 mole of methyl chloride gives an amine that

a. reacts with Hinsberg reagent to form a product soluble in an alkali.
b. on reaction with Nitrous acid, produced nitrogen gas.
c. reacts with Benzenesulphonyl chloride to form a product that is insoluble in alkali.
d. does not react with Hinsberg reagent.

Q) Which one of the following has the highest dipole moment?
a. CH3F
b. CH3Cl
c. CH3I
d. CH3Br

Q) When C6H5COOCOCH3 is treated with H2O , the product obtained is :

a. Benzoic acid and ethanol
b. Benzoic acid and ethanoic acid
c. Acetic Acid and phenol
d. Benzoic anhydride and methanol

Q) Which of the following contains only β-D- glucose as its monosaccharide unit:

a. Sucrose
b. Cellulose
c. Starch
d. Maltose

Q) Which one of the following sets correctly represents the increase in the
paramagnetic property of the ions?

a. Ti3+< Fe2+ < Cr3+ < Mn2+
b. Ti3+< Mn2+< Fe2+ < Cr3+
c. Mn2+< Fe2+< Cr3+<Ti3+
d. Ti3+< Cr3+< Fe2+ < Mn2+

Q) A student was preparing aniline in the lab. She took a compound “X” and reduced it in the presence of Ni as a catalyst. What could be the compound “X”

a. Nitrobenzene
b. 1-Nitrohexane
c. Benzonitrile
d. 1-Hexanenitrile

Q) Which of the following compound gives an oxime with hydroxylamine:

a. CH3COCH3
b. CH3COOH
c. (CH3CO)2O
d. CH3COCl

Q) Assertion (A) Glucose does not form the hydrogensulphite addition product with NaHSO3.
Reason (R): Glucose exists in a six-membered cyclic structure called pyranose structure.

Select the most appropriate answer from the options given below:
a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true but R is not the correct explanation of A.
c. A is true but R is false.
d. A is false but R is true.

Q) Assertion (A): The half- life for a zero order reaction is independent of the initial concentration of the reactant.
Reason (R): For a zero order reaction, Rate = k

Select the most appropriate answer from the options given below:
a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true but R is not the correct explanation of A.
c. A is true but R is false.
d. A is false but R is true.

Q) a. Nitrogen gas is soluble in water. At temperature 293 K, the value of KH is 76.48 kbar . How would the solubility of nitrogen vary (increase, decrease or remain the same) at a temperature above 293 K , if the value of KH rises to 88.8 kbar.

b. Chloroform (b.p. 61.2°C) and acetone (b.p. 56°C ) are mixed to form an azeotrope. The mole fraction of acetone in this mixture is 0.339. Predict whether the boiling point of the azeotrope formed will be (i) 60°C (ii)64.5°C or (iii)54°C. Defend your answer with reason.

Q) a. A soda bottle will go flat (loose its fizz) faster in Srinagar than in Delhi. Is this statement correct? Why or why not?

b. How does sugar help in increasing the shelf life of the product?

Q) a. Write the IUPAC name of the following complex: K[Cr(H2O)2(C2O4)2]H2O

b. Name the metal present in the complex compound of
(i) Haemoglobin (ii) Vitamin B-12

Q) The presence of Carbonyl group in glucose is confirmed by its reaction with hydroxylamine. Identify the type of carbonyl group present and its position. Give a chemical reaction in support of your answer.

Q) a. Write down the reaction occurring on two inert electrodes when electrolysis of copper chloride is done. What will happen if a concentrated solution of copper sulphate is replaced with copper chloride?

b. Write an expression for the molar conductivity of aluminium sulphate at infinite dilution according to Kohlrausch law.

Q) Account for the following:

a. The lowest oxide of transition metal is basic, and the highest is acidic.
b. Chromium is a hard metal while mercury is a liquid metal
c. The ionisation energy of elements of the 3d series does not vary much with increasing atomic number.

Q) a. Give the chemical reaction involved when p-nitrotoluene undergoes Etard reaction.
b. Why does Benzoic acid exist as a dimer in an aprotic solvent?
c. Benzene on reaction with methylchloride in the presence of anhydrous AlCl3 forms toluene. What is the expected outcome if benzene is replaced by benzoic acid? Give a reason for your answer.

Q) An organic compound ‘X’, does not undergo aldol condensation. However ‘X’ with compound ‘Y’ in the presence of a strong base react to give the compound 1,3-diphenylprop-2-en-1-one.

a. Identify ‘X’ and ‘Y’
b. Write the chemical reaction involved.
c. Give one chemical test to distinguish between X and Y.

Q) Neeta was experimenting in the lab to study the chemical reactivity of alcohols. She carried out a dehydration reaction of propanol at 140°C to 180°C. Different products were obtained at these two temperatures.

a. Identify the major product formed at 140°C and the substitution mechanism followed in this case.
b. Identify the major product formed at 180°C and the substitution mechanism followed in this case.

Q) Various isomeric haloalkanes with the general formula C4H9Cl undergo hydrolysis reaction. Among them, compound “A” is the most reactive through SN1 mechanism. Identify “A” citing the reason for your choice. Write the mechanism for the reaction.

Q) a. While giving intravenous injections to the patients, the doctors take utmost care of the concentration of the solution used. Why is it necessary to check the concentration of the solution?

b. A solution of phenol was obtained by dissolving 2X 10^-2 kg of phenol in 1 kg of benzene. Experimentally it was found to be 73 % associated. Calculate the depression in the freezing point recorded.

Sample Paper Chemistry Class 12 2024-25 with Solutions PDF Download

The official Class 12 Chemistry sample paper 2024-25 has been provided below along with the marking scheme and solutions PDF. Students must solve the questions of the sample papers and later check the answers from the official solutions to understand their preparation level.

Download CBSE Class 12 Chemistry Sample Paper PDF 2024-25

Download CBSE Class 12 Chemistry Marking Scheme 2025 and Solutions

Advantages of Practicing CBSE Class 12 Chemistry Sample Paper 2024-25

Students should be aware that solving the CBSE 12th Chemistry question paper for 2024, as well as practicing sample papers, can provide insight into their preparation level, the syllabus, key questions, marking scheme, and other aspects. Students have the ability to set a timer and simulate a mock CBSE 12th board exam in order to gauge their level of readiness.

Practicing CBSE Class 12 Chemistry Question Papers can lead to improved scores in the CBSE 12th Chemistry Board Exam 2025. It is advised for students to practice solving the previous year’s CBSE Class 12 Chemistry question paper to prepare for the upcoming CBSE Chemistry Board Exam. Listed below are the advantages of solving the CBSE 12th Chemistry question paper from the previous year

• Having a greater insight into the CBSE Class 12 Chemistry board exam marking scheme 2025 and exam pattern.
• Assists in monitoring significant inquiries, coverage of syllabus, preparation progress, and additional factors.
• Assists in achieving higher grades in the Class 12 Chemistry CBSE Board Exam.
• Having knowledge about the kinds of questions that will be asked in the CBSE12th Chemistry Board Exam 2025.
• Find out how ready they are for the CBSE 12th Chemistry board exam question paper in 2025.

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