CBSE Class 12 Chemistry 2015 Compartment Exam Previous Year Question Paper Set 1
This is the CBSE Class 12 Chemistry (Theory) 2015 Compartment Exam Previous Year Question Paper, Set 1, for the Delhi region. The paper is divided into 26 questions and is designed to be completed in 3 hours, with a maximum of 70 marks. It includes very short answer questions (1 mark each) from Q. No. 1 to 5, short answer questions carrying 2 marks each from Q. No. 6 to 10, and more short answer questions carrying 3 marks each from Q. No. 11 to 22. Additionally, there is a value-based question worth 4 marks (Q. No. 23) and long answer questions carrying 5 marks each from Q. No. 24 to 26. A 15-minute reading time is provided before the exam begins. Solving this previous year's board question paper is crucial for students to understand the exam pattern, marking scheme, and types of questions asked, thereby enhancing their preparation and performance.
Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Chemistry |
| Session | 2015 |
| Language | Hindi |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The exam paper consists of 26 questions with a total of 70 marks and a duration of 3 hours. Questions are categorized into very short answer (1 mark), short answer (2 and 3 marks), value-based (4 marks), and long answer (5 marks) types.
Topics covered
Paper topics
- Body-centred cubic structure
- Surface chemistry
- Dialysis
- IUPAC nomenclature
- Organic compound structure
- Diazonium salt reactions
PDF preview
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Question paper text
Series: SSO/1/C
SET - 1
परीक्षार्थी कोड को उत्तर-पुस्तिका के मुख-पृष्ट
रोल नं.
कोड नं.
Roll No.
Code No.
56/1/1
पर अवश्य लिखें ।
Candidates must write the Code on
the title page of the answer-book.
कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 11 हैं ।
प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें ।
कृपया जाँच कर लें कि इस प्रश्न-पत्र में 26 प्रश्न हैं।
कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें।
इस प्रश्न-पत्र को पढ़ने के लिए 15 मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाह्न में 10.15 बजे किया जायेगा । 10.15 बजे से 10.30 बजे तक छात्र केवल प्रश्न-पत्र को पढ़ेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे ।
Please check that this question paper contains 11 printed pages.
Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.
Please check that this question paper contains 26 questions.
Please write down the Serial Number of the question before attempting it.
15 minutes time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.
रसायन विज्ञान (सैद्धान्तिक)
CHEMISTRY (Theory)
निर्धारित समय :3 घंटे ]
[ अधिकतम अंक :70
Time allowed : 3 hours ]
[ Maximum Marks : 70
सामान्य निर्देश:
(i) सभी प्रश्न अनिवार्य हैं ।
- प्रश्न-संख्या <math>\bm{1}</math> से <math>\bm{5}</math> तक अति लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए <math>\bm{1}</math> अंक निर्धारित है ।
- प्रश्न-संख्या 6 से 10 तक लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 2 अंक निर्धारित हैं ।
- प्रश्न-संख्या 11 से 22 तक भी लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 3 अंक निर्धारित हैं ।
- प्रश्न-संख्या 23 मूल्याधारित प्रश्न है और इसके लिए 4 अंक निर्धारित हैं ।
- प्रश्न-संख्या 24 से 26 दीर्घ-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 5 अंक हैं ।
- यदि आवश्यक हो तो लॉग टेबल का उपयोग कर सकते हैं । कैलकुलेटर के उपयोग की अनुमित नहीं है ।
56/1/1 1 [P.T.O.
General Instructions:
- All questions are compulsory.
- Q. No. 1 to 5 are very short answer questions and carry 1 mark each.
- Q. No. 6 to 10 are short answer questions and carry 2 marks each.
- Q. No. 11 to 22 are also short answer questions and carry 3 marks each.
- Q. No. 23 is a value based question and carry 4 marks.
- Q. No. 24 to 26 are long answer questions and carry 5 marks each.
- Use log tables if necessary, use of calculator is not allowed.
- एक अंत: केन्द्रित घनीय संरचना में परमाणुओं की संख्या प्रति एकक कोष्टिका (z) क्या होती है ? What is the no. of atoms per unit cell (z) in a body-centred cubic structure?
- सतह रसायन के संदर्भ में डायालिसिस को परिभाषित कीजिए ।
In reference to surface chemistry, define dialysis.
- कॉम्प्लेक्स <math>[Ni(NH_3)_6]Cl_2</math> का आई यू पी ए सी (IUPAC) नाम लिखिए ।
What is the IUPAC name of the complex <math>[Ni(NH_3)_6]Cl_2</math>?
- निम्न यौगिक की संरचना आरेखित कीजिए ।
- मेथिलपेन्टैनैल
Draw the structure of 3-methylpentanal.
- निम्न अभिक्रिया समीकरण को पूर्ण कीजिए :
<math>C_6H_5N_2Cl + H_3PO_2 + H_2O \longrightarrow - - -</math>
Complete the following reaction equation:
<math>C_6H_5N_2Cl + H_3PO_2 + H_2O \longrightarrow - - -</math>
56/1/1 2
Frequently asked questions
What is this document?
This is the official CBSE Class 12 Chemistry 2015 Compartment Exam Previous Year Question Paper (Set 1).
What is the subject and class?
The subject is Chemistry (Theory) for Class 12.
What is the total marks and duration?
The paper carries a maximum of 70 marks and the allowed time is 3 hours.
How does solving this paper help?
Solving this previous year question paper helps students understand the exam pattern, question types, and marking scheme, improving their preparation and confidence for the board exams.
What types of questions are included?
The paper includes very short answer, short answer, value-based, and long answer questions.
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