CBSE Class 12 Chemistry 2015 Compartment Board Question Paper (Set-3)
This is the CBSE Class 12 Chemistry (Theory) Previous Year Question Paper from the 2015 Compartment Exams, Set-3, conducted in Delhi. The paper is in Hindi and carries a maximum of 70 marks, with a duration of 3 hours. It contains 26 questions divided into different sections: very short answer questions (1 mark each) from Q. No. 1 to 5, short answer questions (2 marks each) from Q. No. 6 to 10, short answer questions (3 marks each) from Q. No. 11 to 22, a value-based question (4 marks) as Q. No. 23, and long answer questions (5 marks each) from Q. No. 24 to 26. Candidates are allowed 15 minutes to read the question paper. Solving this board question paper is crucial for students to understand the exam pattern, question types, and marking scheme, thereby enhancing their preparation and performance in the upcoming board examinations.
Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Chemistry |
| Session | 2015 |
| Language | Hindi |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The paper consists of 26 questions divided 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
- Coordination Compounds
- Aldehydes
- Diazonium Salts
- Solid State
- Surface Chemistry
Important topics
- IUPAC Naming of Complexes
- Structure of Aldehydes
- Reactions of Diazonium Salts
- Atoms per Unit Cell in BCC
- Definition of Dialysis
PDF preview
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Question paper text
SET - 3
Series: SSO/1/C
रोल नं.
कोड नं.
परीक्षार्थी कोड को उत्तर-पुस्तिका के मुख-पृष्ट
पर अवश्य लिखें ।
Candidates must write the Code on
the title page of the answer-book.
Roll No.
Code No.
56/1/3
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 ।
56/1/3 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.
- 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>
- 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.
56/1/3 2
Frequently asked questions
What is this document?
This is the CBSE Class 12 Chemistry 2015 Compartment Board Previous Year Question Paper (Set-3) in Hindi.
What is the total mark and duration for the Chemistry paper?
The Chemistry (Theory) paper has a maximum of 70 marks and a duration of 3 hours.
How are the questions structured in this paper?
The paper includes very short answer, short answer, value-based, and long answer questions, with marks ranging from 1 to 5 per question.
Why is solving previous year question papers important?
Solving previous year question papers helps students understand the exam pattern, question difficulty, and marking scheme, improving their preparation and confidence.
What are the allowed resources during the exam?
Log tables can be used if necessary, but the use of a calculator is not permitted.
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