CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved

Read and download PDF of CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Chemistry Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Chemistry Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Chemistry Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Chemistry Pdf

Students can refer to the below Class 12 Chemistry Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved

Chemistry Class 12 Sample Paper

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


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Sample Paper Chemistry Class 12

We hope you liked the above provided CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to refer to CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved that we have provided above. Students can download the Sample Paper for Class 12 Chemistry which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved for Class 12 Chemistry you will easily understand the way examination Sample Paper are set by teachers.

Class 12 Chemistry Sample Paper

The latest Sample Paper CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved covers all the topics which have been suggested by CBSE in their Class 12 Chemistry syllabus for the current year. By doing CBSE Class 12 Chemistry Sample Paper 2022 Set B Solved you will understand the regular questions and MCQ questions for Class 12 Chemistry which are always asked and learn them so that you can get full marks in those questions.

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CBSE Class 12 Chemistry Sample Paper with solutions

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