CBSE Class 12 Chemistry 2015 Compartment Exam Previous Year 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 Hindi. The paper carries a maximum of 70 marks and is designed to be completed in 3 hours. It contains 26 questions divided into different sections based on marks. Questions 1 to 5 are very short answer type carrying 1 mark each. Questions 6 to 10 are short answer type carrying 2 marks each. Questions 11 to 22 are also short answer type carrying 3 marks each. Question 23 is a value-based question worth 4 marks, and questions 24 to 26 are long answer type questions carrying 5 marks each. Candidates are allowed to use log tables but not calculators. Solving this board question paper is crucial for students to understand the exam pattern, difficulty level, and important topics, 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
- Stoichiometric defects
- IUPAC nomenclature
- Chelate effect
- Emulsions
- Basic strength of amines
Important topics
- Stoichiometric defects in AgCl
- IUPAC name of propanal
- Increasing order of basic strength (Aniline, p-Nitroaniline, p-Toluidine)
- Definition and example of emulsions
PDF preview
Read page by page below. PDF is streamed from the official NCERT website — no download button on this page.
Question paper text
SET - 3
Series: SSO/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.
56/3
कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ट 12 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 पहेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे ।
Please check that this question paper contains 12 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 1 से 5 तक अति लघु-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 1 अंक है।
- प्रश्न-संख्या 6 से 10 तक लघु-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 2 अंक हैं ।
- प्रश्न-संख्या 11 से 22 तक भी लघु-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 3 अंक हैं ।
- प्रश्न-संख्या 23 मूल्याधारित प्रश्न है और इसके लिए 4 अंक हैं ।
- प्रश्न-संख्या 24 से 26 तक दीर्घ-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 5 अंक हैं ।
- यदि आवश्यकता हो, तो लॉग टेबलों का प्रयोग करें । कैलकुलेटरों के उपयोग की अनुमित नहीं है ।
56/3 1 [P.T.O.
General Instructions:
(i) All questions are compulsory.
- Question number 1 to 5 are very short answer questions and carry 1 mark each.
- Question number 6 to 10 are short answer questions and carry 2 marks each.
- Question number 11 to 22 are also short answer questions and carry 3 marks each.
- Question number 23 is a value based question and carry 4 marks.
- Question number 24 to 26 are long answer questions and carry 5 marks each.
- Use log tables, if necessary. Use of calculators is not allowed.
- ‘कीलेट’ प्रभाव का क्या तात्पर्य होता है ?
What is meant by chelate effect?
- निम्न का आई यू पी ए सी (IUPAC) नाम लिखिए :
<math>CH_3 - CH_2 - CHO</math>
Write the IUPAC name of the following:
<math>CH_3 - CH_2 - CHO</math>
- निम्न को क्षारीय क्षमता के बढ़ते क्रम में व्यवस्थित कीजिए :
ऐनिलीन, p-नाइट्रोऐनिलीन और p-टालुइड़ीन
Arrange the following in increasing order of basic strength:
Aniline, p-Nitroaniline and p-Toluidine
- AgCl किस प्रकार का स्टोइकियोमीट्री दोष दर्शाता है ?
What type of stoichiometric defect is shown by AgCl?
- इमल्शन क्या होते हैं ? एक उदाहरण दीजिए ।
What are emulsions? Give an example.
56/3 2
Frequently asked questions
What is this document?
This is the CBSE Class 12 Chemistry Previous Year Question Paper from the 2015 Compartment Exams, Set-3, in Hindi.
What is the total mark and time duration for the paper?
The paper has a maximum of 70 marks and a time duration of 3 hours.
How are the questions structured in this paper?
The paper includes very short answer (1 mark), short answer (2 & 3 marks), value-based (4 marks), and long answer (5 marks) questions.
Can I use a calculator for this exam?
No, the use of calculators is not allowed, but log tables can be used if necessary.
How does solving this previous year question paper help?
Solving this previous year question paper helps students understand the board pattern, question types, and marking scheme, improving their exam preparation and confidence.
Content reviewed by the NCERT Help team. Editorial Team and update policy
Question Papers PDF on NCERT Help. URL unchanged for search indexing.