CBSE Class 12 Chemistry 2018 – Paper Review & Analysis

The students of Class 12 appeared for their Chemistry paper today, March 13, from 10:30 AM to 1:30 PM under the ongoing Central Board of Secondary Examination (CBSE). We bring you CBSE Class 12 Chemistry 2018 – Paper Review & Analysis.

CBSE Class 12 Chemistry paper consisted of five sections namely A, B, C, D and E which contained questions totaling to 70 marks that had to be answered within 3 hours of duration. More detail about each section is given below:

Section A
There were 5 questions each carrying 1 mark.
Total Marks: 5

Section B
There were 5 questions each carrying 2 marks.
Total Marks: 10

Section C
There were 12 questions each carrying 3 marks.
Total Marks: 36

Section D
There was 1 question carrying 4 marks.
Total Marks: 4

Section E
There were 3 questions each carrying 5 marks.
Total Marks: 15

Marking Scheme & Chapter Distribution (Weightage) for CBSE Class 12 Chemistry 2018

Chapter Name	Weightage in terms of marks (2017)	Weightage in terms of marks (2018)
The Solid State	2	1+3=4
Solutions	5	2+3=5
Electrochemistry	2+3=5	3+5=8
Chemical Kinetics	1+3=4	2+3=5
Surface Chemistsry	1+3=4	1+3=4
General Principles and Processes of Isolation of Elements	3	3
The p-Block Elements	1+2+3 =6	2+2 + 5 = 9
The d- and f-Block Elements	5	–
Coordination Compounds	2+3 =5	1+3 = 4
Haloalkanes and Haloarenes	1+3 =4	1+3 = 4
Alcohols, Phenols and Ethers	1+2 =3	1+ 3 = 4
Aldehydes, Ketones and Carboxylic Acids	3+5=8	2+3=5
Amines	3	5
Biomolecules	4	3
Polymers	3	4
Chemistry in Everyday Life	3	3

Comparison with Last Year’s Paper

No questions were asked on the chapter d and f block this year
Organic chemistry questions were easier compared to last year
Value based question was easier compared to last year
Surface chemistry had reason typed questions this year and not on definitions and examples like last year
Level of numerical based questions was same as last year but a bit tricky