Class 12 Chemistry Most Important Questions of NCERT by adarsh barnwal

Class 12 Chemistry NCERT Important Questions 2023 – 2024

CLASS 12 Boards
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Central Board of Secondary Education (CBSE), this year made some important changes in the examination pattern of class 12. From introducing internal assessment in all subjects to changing the format of question paper for board exams, students must be aware of every minute detail of the changed examination pattern. Class 12 Chemistry NCERT Important Questions 2023 – 2024

As per the new exam pattern, CBSE has given more weight to the school-based/internal assessment. Major change will be observed in the questions paper format in the board exam 2023-2024. Question papers will have more number of objective type question.

CBSE changed the examination pattern with an aim to

  • discourage students from rote learning
  • develop analytical skills and reasoning abilities among students
  • produce better results and improve the academic quality of institutions
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I have given here some Important questions which is taken in accordance with the previous years papers.These are important questions , means whatever you read ,you can give this a preference || Important questions doesn’t mean Guaranteed questions so please consider this .Previous year I have Created similar kind of important questions and notes and 80-90% questions matches.

Important Changes in CBSE Class 12 Exam Pattern 2023

As per the new circular, CBSE class 12 syllabuswill not be reduced this year. In AY 2022-23, there will be around 25-27 questions in Science subjects i.e. Physics, Chemistry, Biology and Mathematics. The detailed changes are as follows:

  • Multiple Choice Questions in English Language and Literature: In English Language & Literature, there will be multiple choice questions, fill in the blanks and synonym/antonym from unseen passages. 
  • Assertion and Reason Based Questions in Biology: The board has eliminated the multiple-choice questions from Biology and has framed assertion and reason-based questions. There will be around 5 one-mark questions but it will be more of descriptive nature. Candidates are suggested not to write answers of one word form in Biology.

Marking Scheme for Class 12 CBSE 2023

The exam pattern and marking scheme of CBSE 12th of some of the subjects is given in the following tables:

SubjectsTheory ExamPractical Exam
English8020
Sociology8020
Political Science8020
Physics7030
Mathematics8020
History8020
Geography7030
Economics8020
Computer Science7030
Chemistry7030
Business Studies8020
Accountancy8020
Biology7030
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CBSE Class 12 Chemistry Syllabus

CBSE Class 12 Chemistry syllabus has given 70% weightage to theory and the remaining 30% to practicals. The new syllabus of CBSE Class 12 Chemistry for the AY 2022-23 is tabulated below.

S.noTitleNo. of PeriodsMarks Allotted
1Solutions157
2Electrochemistry 189
3Chemical Kinetics157
4d -and f -Block Elements187
5Coordination Compounds 187
6Haloalkanes and Haloarenes156
7Alcohols, Phenols and Ethers 146
8Aldehydes, Ketones and Carboxylic Acids 158
9Amines 146
10Biomolecules187
Total16070

 NEW PATTERN

(a) All questions are compulsory.

(b) Section A: Q.no. 1 to 20 are very short answer questions (objective type) and carry 1 mark each.

(c) Section B: Q.no. 21 to 27 are short answer questions and carry 2 marks each.

(d) Section C: Q.no. 28 to 34 are long answer questions and carry 3 marks each.

(e) Section D: Q.no. 35 to 37 are also long answer questions and carry 5 marks each.

(f) There is no overall choice. However an internal choice has been provided in two questions of two marks, two questions of three marks and all the three questions of five marks weightage. You have to attempt only one of the choices in such questions.

  • Solution

Example-2.5

Intext-2.7, 2.9

Exercise- 2.8, 2.12, 2.23, 2.41, 2.35, 2.25, 2.16

  • Electrochemistry

Example- 3.4, 3.9

Intext- 3.1, 3.6, 3.7

Exercise- 3.5, 3.13, 3.7, 3.19

  • Chemical Kinetics

Example- 4.5, 4.6, 4.11

Intext- 4.7

Exercise-4.11, 4.15, 4.27, 4.18, 4.20

  • Surface Chemistry

Intext- 5.1

Exercise- 5.2, 5.10, 5.11, 5.13, 5.15, 5.18, 5.23, 5.26, 5.5

  • Metallurgy

Intext- 6.2, 6.4

Exercise- 6.18, 6.26, 6.7, 6.14, 6.2, 6.13

  • P Block

Note- All questions of this chapters are important , try to do all

Example- 7.16

Intext- 7.2, 7.4, 7.18, 7.29

Exercise- 7.6, 7.15, 7.21, 7.26, 7.32, 7.33

  • D & F block

Example- 8.5, 8.9

Intext- 8.8, 8.10

Exercise- 8.1, 8.7, 8.16, 8.26, 8.15, 8.30

  • Coordination Compound

Intext- 9.2, 9.3, 9.5, 9.7

Exercise- 9.21, 9.22, 9.26, 9.31, 9.9, 9.4, 9.19, 9.12, 9.17, 9.18, 9.16

  • Halo Alkane & Haloarene

Note- Sn1 , sn2 reactions details is IMP

Example- 10.7

Intext- 10.5, 10.9, 10.6

Exercise- 10.5, 10.14, 10.19

  • Alcohol , Phenol & Ether

Example- 11.4, 11.5

Intext- 11.5, 11.9, 11.3, 11.12

Exercise- 11.18, 11.21, 11.8, 11.25, 11.32, 11.31, 11.11

  • Aldehyde , Ketone & Carbohydrate

Example- 12.4, 12.5, 12.1

Intext- 12.7

Exercise- 12.13, 12.16, 12.17, 12.1, 12.10

  • Amines

Example- 13.5, 13.4

Intext- 13.4

Exercise- 13.4, 13.7, 13.9, 13.11

  • Biomolecules

Exercise- 14.9, 14.10, 14.12, 14.22, 14.24

  • Polymer

Intext- 15.4

Exercise- 15.12, 15.15, 15.17, 15.20

  • Chemistry in everyday Life

Exercise- 16.5, 16.17, 16.21, 16.22, 16.25, 16.23

NCERT MOST IMPorTANT QUESTIONS PDF

IMPORTANT QUESTIONS OTHER THAN NCERT PDF

BEST BOOKS FOR CLASS 12 BOARDS

  1. NCERT- https://amzn.to/2Wr6c9n
  2. Sample paper – https://amzn.to/2qw9vOY
  3. Previous year solved paper – https://amzn.to/2qJnHnJ
  4. Best Guide Book ( Recommended) – https://amzn.to/37zUjRc
  5. Previous year iit jee/jee mains- https://amzn.to/2EBo9bw


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