CBSE Class 12 Chemistry Question Paper with Answer Key 2026: PDF Download, Exam Analysis
CBSE Class 12 Chemistry Answer Key 2026 has been released for all sets of question papers. Check the answer as per your set of questions and evaluate your performance.
CBSE Class 12 Chemistry Answer Key 2026 was published on February 28, 2026 after the completion of the exam. The exam took place from 10:30 AM to 01:30 PM. You can check answers for five different sections, including MCQs, short questions, case-based questions, and long questions here. By matching the answers, you can evaluate your performance and can get an idea about the marks you have scored. As per theCBSE Class 12 Passing Marks 2026, you need to score a minimum of 33% marks in each subject. You can go through the article below for detailed information about the answers mentioned in the table format below.
CBSE Class 12 Chemistry Answer Key 2026
You can check the section-wise CBSE class 12 unofficial answer key 2026 here.Question Summary | Correct Answer |
Molecules is chiral in nature | b |
What compound is produced by the reduction of Ethanenitrile with LiAlH_4 | Ethylamine |
What is the base present in DNA but not in RNA? | c |
Name the phenomenon involved in this process: when raisins are kept in water and they swell. | Endosmosis |
What is responsible for the desalination of seawater? | Reverse Osmosis (RO) |
Why is it difficult to separate Lanthanoids? | Because they have very similar chemical properties and ionic radii. |
Differentiate between a primary battery and a secondary battery. | Primary: Non-rechargeable, Secondary: Rechargeable |
| A: Zn, Cd, Hg are not transition elements. R: They have completely filled d-orbitals in ground/common oxidation states. | Both are true, and Reason is the correct explanation. |
What is activation energy? | The extra amount of energy required by a reactant molecule to get converted into product. |
What is coordination number? | The total number of coordinate bonds formed by ligands. |
CBSE Class 12 Chemistry Exam Pattern
In total, there are 33 questions in the question paper with internal choices available.
- Section A includes 16 objective-type questions for 1 mark each.
- Section B contains 5 short answer questions for 2 marks each.
- Section C has 7 short answer questions carrying 3 marks each.
- Section D includes 2 case-based questions with internal choices that are asked for 4 marks each.
- Section E consists of 3 long answer questions carrying 5 marks each.
Visit the page after the completion of the exam to check the answers and get an idea of the range of marks you can obtain even before the declaration of theCBSE Class 12 Result 2026.