CBSE Class 12 Chemistry exam was succesfully conducted on February 28, 2026. Check here the CBSE Class 12 Chemistry Answer Key 2026 and download PDF for all sets. Also, check exam analysis here!
Table of Contents
CBSE Class 12 Chemistry Answer Key 2026: The CBSE Class 12 Chemistry exam was successfully conducted on February 28, 2026, in offline mode. The exam was conducted for a total duration of 3 hours. The total marks for the theory exam are 70. The chemistry paper for the CBSE class 12 exam 2026 is divided into 5 sections: A, B, C, D, and E. Section A consists of MCQ questions, section B consists of very short answer questions, section C consists of short answer questions, section D consists of case-based questions, and section E consists of long answer questions. The marking scheme differs depending on the type of questions.
The candidates can check below for the set-wise CBSE Class 12 Chemistry Answer Key 2026 along with the question paper and exam analysis.
| Class 12 CBSE Answer Key 2026 PDF Download - TBA |
CBSE Class 12 Chemistry Exam 2026 Difficulty Level: Student Reaction
We have updated here the students' reaction to the CBSE Class 12 Chemistry exam soon after the exam.
- The questions included a mix of easy-to-moderate difficulty types.
- The questions were asked about the topics of anomeric carbon, nitration, and more.
- Questions were asked directly from the syllabus and prescribed NCERT textbooks.
- Multiple Choice Questions (MCQ) were easy to answer.
CBSE Class 12 Chemistry Exam Analysis 2026
The below table overviews the complete CBSE Class 12 Chemistry Answer Key 2026 exam analysis:
| Particulars | Analysis |
| Overall Difficulty Level | Easy to Moderate |
| Difficulty Level of Section A | Easy to Moderate |
| Difficulty Level of Section B | Easy to Moderate |
| Difficulty Level of Section C | Moderate |
| Difficulty Level of Section D | Easy to Moderate |
| Difficulty Level of Section E | Moderate |
| Topics with Highest Weightage in Exam | TBA |
| Expected Number of Good Attempts | TBA |
CBSE Class 12 Chemistry Answer Key 2026 PDF
We have updated the unofficial answer key for the CBSE Class 12 Chemistry exam below. Candidates can also download the CBSE Class 12 Chemistry answer key in PDF form by clicking on the link below:
| Question Number | Question | Answer |
| 1 | Which of the following is most basic? | (C) MnO |
| 2 | Which of the following curves represents the first-order reaction? |
(B) (The graph showing t₁/₂ is independent of [R]₀)
|
| 3 | Which of the following solutions will have the highest osmotic pressure? |
(B) 0.1 M CaCl₂ (due to highest van't Hoff factor, i=3)
|
| 4 | For a reaction: N₂ + 3H₂ → 2NH₃, the rate of reaction with respect to NH₃ is: |
(D) +1/2(Δ[NH₃/Δt]
|
| 5 | How many Faradays are required to reduce 1 mol of Cr₂O₂₋₇ to Cr³⁺ in acidic medium? |
(C) 6 |
| 6 | Which of the following Grignard reagents will be used to prepare ....... |
(B) (Cyclohexyl magnesium bromide)
|
| 7 | The secondary valency of Pt in [Pt(en)₂Cl₂]²⁺ is: |
(A) 6 (en is bidentate, so 2×2+2=6)
|
| 8 | (CH₃)₃C−OC₂H₅ on reaction with HI gives: |
(C) (CH₃)₃C−I and C₂H₅−OH
|
| 9 | Aniline on direct nitration yields: |
(C) 51%-para, 47%-meta, 2%-ortho
|
| 10 | Which of the following is 'not' true about enantiomers? |
(B) They have the same specific rotation.
|
| 11 | An example of a non-reducing sugar is | (B) Sucrose |
| 12 | Benzene diazonium chloride on reaction with phenol in weakly basic medium gives: |
(D) p-hydroxyazobenzene
|
| 13 | Assertion: -OH group in phenols is ortho-para directing. Reason: -OH group activates the ring. |
(A) Both true; the reason is the correct explanation.
|
| 14 | Assertion: Actinoids show irregularities in electronic configurations. Reason: 5f, 6d, and 7s orbitals have comparable energies. |
(A) Both true; the reason is the correct explanation.
|
| 15 | Assertion: Components of azeotropes are easily separated by fractional distillation. Reason: Azeotropes have the same composition in liquid and vapor phase. |
(D) Assertion is false; reason is true.
|
| 16 | Assertion: Two strands of DNA are complementary. Reason: Hydrogen bonds form between specific pairs of bases. |
(A) Both true; the reason is the correct explanation.
|
| CBSE Class 12 Chemistry Unofficial Answer Keys 2026 PDF |
CBSE Class 12 Chemistry Question Paper 2026 PDF
We have updated the CBSE Class 12 Chemistry question paper below. Candidates can also download the question paper for CBSE Class 12 Chemistry in PDF form by clicking on the link below:
| CBSE Class 12 Chemistry Question Paper 2026 PDF |
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