CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved

Read and download the CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 12 Chemistry sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.

Solved Sample Paper for Class 12 Chemistry PDF

Our Class 12 Chemistry model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 12 students can identify weak areas and improve time management. We also suggest referring to our Class 12 Chemistry Question Papers of previous years to further strengthen your exam preparation.

Class 12 Chemistry Sample Paper with Solutions

1. How many Faradays of charge are required to convert 20 g of Ca from molten CaCl2?
(RAM of Ca=40 u)
 
2. A reaction is second order with respect to a reactant A. How is the rate of this reaction altered if the concentration of A is reduced to half ?
 
3. Write any two consequences of Lanthanoid contraction. 
4. Give the structure of N-Ethyl-N-methylpropanamine 
5. Write the IUPAC name of
CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved 1
 
6. Describe the manufacture of KMnO4 from Pyrolusite. 
7. a) Reduction of metal to metal oxide becomes easier if the metal obtained is in liquid state. Why?
b) Write the principle of froth floatation method.
 
8. Define
a) Peptization
b) Zeta potential
OR
Write chemical equations for the preparation of:
a) Gold sol by reduction. b) Hydrated ferric oxide sol by hydrolysis
 
9. a) Which would undergo SN2 reaction faster in the following pair and why?
CH3CH2Br and CH3CH2 I
b) Racemisation occurs in SN1 reactions. Account.
 
10. a) Give a chemical test to distinguish between dimethylamine and trimethyl amine.
b) Give the formula of the compound obtained by Hofmannn degradation reaction of 4-chlorocyclohexane carboxamide.
 
11. Explain giving reasons:
a) E0 value for Mn3+/Mn2+ is more positive than that for Cr3+/Cr2+.
b) Actinoids exhibit more number of oxidation states than Lanthanoids.
c) MnO is basic while Mn2O7 is acidic.
 
12. a) State Hardy-Schulze rule
b) Explain the term selectivity of a catalyst with example
c) What will happen if Fe (OH) 3 and As2S3 sols are mixed? Give reason.
 
13. a) Complete the following reaction
CH3 – C (CH3)2– OCH3 + HI → ?
b) Convert
(i) Phenol to benzoquinone
(ii) Methanal to propan -1-ol
 
14. Describe the role of
a) NaCN in the extraction of gold from its ore.
b) Cryolite in the extraction of aluminium from pure alumina.
c) CO in the purification of Nickel
 
15. a) On the basis of crystal field theory ,write the electronic configuration for d4 ion , if Δ0 < P.
b) Identify the type of isomerism shown by the complex Cr(H2O)6Cl3 .
c) Write the hybridization and magnetic behaviour of the complex [CoF6]3 – (Aomic no of Co =27)
 
16. Discuss the nature of bonding in metal carbonyls.
OR
a) Write the IUPAC name of the complex K3[Fe(C2O4)3].
b) Explain the following
(i) Denticity
(ii) Spectrochemical series


Please click on below link to download CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved

How to download CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved in PDF?

Students can easily download the CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 12 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Chemistry and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 12 students solve these papers actual exam conditions at home.

Why should you solve CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved?

Practicing these model papers has several benefits for Class 12 students:

  • New Question Bank: This set has fresh questions for Chemistry which are different from previous years.
  • Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 12 and also the type of questions asked.
  • Identify Weak Areas: Comparing your score in each set to find out topics in Class 12 Chemistry for which you need hard work.
  • Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 12 Chemistry makes you faster and better and you will be able to finish your exam on time.

What should you do after solving CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved?

  1. Check Your Work: Match your answers with the solutions given by our teachers in the Chemistry Sample Paper PDF.
  2. Learn from Mistakes: Class 12 students should focus on the questions which you solved incorrectly and understand the error.
  3. Revision: If you find a question difficult you shoul refer to NCERT book for Class 12 Chemistry to understand concepts and then try the question again.
  4. Continuous Practice: Solve multiple sets of Chemistry sample papers from studiestoday.com to build confidence before the CBSE exams.
Where can I download the PDF for CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved?

You can download the complete PDF for CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved for free from StudiesToday.com. Our resources for Class 12 Chemistry are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved?

Yes, CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Chemistry to help students of Class 12 understand correct methodology and marking scheme.

How can practicing CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved help in exam preparation?

Practicing this Chemistry paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

Is the CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved accessible on mobile and tablets?

Yes, all our study materials for Class 12 Chemistry are provided in a mobile-friendly PDF format. You can easily download CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved on your mobile device.