CBSE Class 12 Chemistry 2018 – Paper Review & Analysis

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

General Sense

  • Overall most of the students’ attempt was between 45-55 mark
  • According to our analysis, 45+ out of 70 is easily scorable
  • Overall, the level of the paper was medium

What students thought

  • Paper was easy as compared to last year’s paper.
  • It was trickier than previous year papers.
  • More emphasis was given to Organic Chemistry questions

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