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For CBSE Class 12 Chemistry 2023 paper conducted on February 28, 2023, obtain here the student reviews and detailed question paper analysis. CBSE 12th Chemistry 2023 answer key is also added here.
CBSE Class 12 Chemistry Answer Key 2023
CBSE Class 12 Chemistry Analysis 2023:
Out of the 35 questions in the 70 marks CBSE 12th Chemistry paper, 18 questions are multiple-choice questions, each carrying one mark. For these questions, CBSE 12th Chemistry answer key is updated here for multiple sets, likely by around 2:30 PM. The complete analysis of the paper by the subject teachers as well as the reviews of the paper by the students are listed here.
CBSE Class 12 Chemistry Answer Key 2023
CBSE 12th chemistry answer key 2023 is provided here for three question paper sets using which the students can tally their answers with their respective subsets.
| CBSE 12th Chemistry Question Paper 2023 (56/4/3) |
|---|
CBSE 12th Chemistry Answer Key 2023
The answer key is updated here for the following three sets:
| Section A | |||
|---|---|---|---|
| Question Number | QP 56/2/3 | QP 56/4/3 | QP 56/3/2 |
| 1. | (c) Phosgene gas | (c) 3 | (c) p-Dicholorobenzene |
| 2. | (b) NO2 | (a) | (b) Salycilic acid |
| 3. | (d) O2N - Benzene molecule - NH2 | (b) CuI2 | (a) Pentan-3-one |
| 4. | (b) +k | (a) [Refer to question paper for structure] | (a) Phenol |
| 5. | (b) n-hexane | (d) Hydrate isomerism | (c) Hydrogen bond |
| 6. | (a) SN2 Reaction | (b) 2-Methylpropene | (b) Vitamin K |
| 7. | (b) Temperature | (a) [Refer to question paper for structure] | (c) 1 |
| 8. | (c) G = k(l/a) | (a) 1-phenylpropene | (c) shows large positive deviation from Raoult's law |
| 9. | (d) I2 and NaOH | (d) a reduction process | (c) |
| 10. | (d) Neither (a) nor (b) | (d) Molecularity of the reaction | (a) same osmotic pressure |
| 11. | (b) CH3CH2CHO | (b) Lactose | (a) I2 |
| 12. | (d) (+1/2) (d[B]/dt) | (b) Vitamin D | (d) Sc |
| 13. | (d) Cu | (d) [Refer to question paper for structure] | (b) [Co(en)3]3+ |
| 14. | (b) Fe4[Fe(CN)6]3 | (a) 4/9 | (c) [Cr(ox)3]3+ |
| 15. | (c) (A) is true, but (R) is false | (c) (A) is true, but (R) is false | (a) Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 16. | (a) Both (A) and (R) are true and (R) is the correct explanation of (A) | (c) (A) is true, but (R) is false | (c) (A) is true, but (R) is false |
| 17. | (a) Both (A) and (R) are true and (R) is the correct explanation of (A) | (b) Both (A) and (R) are true and (R) is not the correct explanation of (A) | (a) Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 18. | (c) (A) is true, but (R) is false | (a) Both (A) and (R) are true and (R) is the correct explanation of (A) | (d) (A) is false, but (R) is true |
CBSE Class 12 Chemistry 2023 Analysis: Student Reviews
The key highlights of today’s exam and the feedback of the students on it are added here:- As per the first reports received, CBSE 12th chemistry paper was of a 'Moderate' difficulty level.
- The paper was also reported to have been lengthy.
- "Many questions were direct and NCERT-based. Some questions were application- and concept-based but not as difficult," a student shared. "I expect to score around 60 to 65 marks. I did well."
- "The first two sections were mainly easy," another student said. "Although the case-based questions were slightly tricky, they weren't too difficult. The last section was difficult for me. I could not answer one question."
- "If students have gone through their NCERT textbooks well and have a good enough understanding of the topics, they should be able to do well." A subject teacher from Delhi said. "The application-based questions were not difficult if students have a proper comprehension of the concepts."
CBSE Class 12 Chemistry Core Question Paper Analysis 2023
An expert assessment of CBSE 12th Chemistry paper is tabulated here:
| Parameter | CBSE 12th Chemistry Analysis 2023 |
|---|---|
| Overall difficulty level of the paper | Moderate |
| Difficulty level of Section A | Easy to Moderate |
| Expected good score in Section A | 16+ |
| Difficulty level of Section B | Easy to Moderate |
| Expected good score in Section B | 11+ |
| Difficulty level of Section C | Slightly above Moderate |
| Expected good score in Section C | 12+ |
| Difficulty level of Section D | Moderate |
| Expected good score in Section D | 5+ |
| Difficulty level of Section E | Moderate to Tough |
| Expected good score in Section E | 10+ |
| Was the paper lengthy? | Yes; most of the students reported that although the paper was not very tough, it was lengthy. |
| Overall expected good score | 55+ |
