CBSE Class 12 Chemistry 2014 Previous Year Board Question Paper (Delhi Set-2)
This is the CBSE Class 12 Chemistry 2014 Previous Year Board Question Paper for the Delhi Set-2 examination. The paper is divided into sections with varying marks: 8 very short-answer questions (1 mark each), 10 short-answer questions (2 marks each), 9 short-answer questions (3 marks each), and 3 long-answer questions (5 marks each), totaling 70 marks. Students are allotted 3 hours to complete the exam. Calculators are not permitted, but log tables can be used if necessary. Solving this previous year's 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 exams.
Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Chemistry |
| Session | 2014 |
| Language | Hindi |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The paper contains 30 questions divided into four categories: 8 very short-answer questions (1 mark each), 10 short-answer questions (2 marks each), 9 short-answer questions (3 marks each), and 3 long-answer questions (5 marks each), for a total of 70 marks and a duration of 3 hours.
Topics covered
Paper topics
- Colloids
- Metallurgy
- Organic Chemistry Nomenclature
- Isomers
- Azeotropes
- Basicity of Amines
Important topics
- Colloids
- Metallurgy
- Organic Chemistry Nomenclature
- Isomers
- Azeotropes
- Basicity of Amines
PDF preview
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Question paper text
Series : OSR/1
Roll No.
Code No. कोड नं 56/1/2
रोल नं. परीक्षार्थी कोड को उत्तर-पुस्तिका के मुख-पृष्ठ
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 30 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 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 30 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 only read the question paper and will not write any answer on the answer-book during this period.
रसायन विज्ञान (सैद्धान्तिक)
CHEMISTRY (Theory)
निर्धारित समय : 3 घण्टे]
[अधिकतम अंक : 70
Time allowed: 3 hours ]
[ Maximum Marks : 70
सामान्य निर्देश :
- सभी प्रश्न अनिवार्य हैं।
- प्रश्न-संख्या 1 से 8 तक अति लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 1 अंक है ।
- प्रश्न-संख्या 9 से 18 तक लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 2 अंक हैं ।
- प्रश्न-संख्या 19 से 27 तक भी लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 3 अंक हैं ।
- प्रश्न-संख्या 28 से 30 दीर्घ-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न के लिए 5 अंक हैं ।
- आवश्यकतानुसार लॉग टेबलों का प्रयोग करें । कैल्कुलेटरों के उपयोग की अनुमित नहीं है ।
56/1/2
[P.T.O.
General Instructions:
(i) All questions are compulsory.
- Question numbers 1 to 8 are very short-answer questions and carry 1 mark each.
- Question numbers 9 to 18 are short-answer questions and carry 2 marks each.
- Question numbers 19 to 27 are also short-answer questions and carry 3 marks each.
- Question numbers 28 to 30 are long-answer questions and carry 5 marks each.
- Use Log Tables, if necessary. Use of calculators is not allowed.
- सॉल (sol) और जैल (gel) का एक-एक उदाहरण दें । 1 Give one example each of sol and gel.
1
- निक्षलित न्यून ग्रेड के कॉपर के अयस्क से कॉपर की प्राप्ति के लिये कौन से अपचायक का उपयोग किया जाता है ? Which reducing agent is employed to get copper from the leached low grade copper ore?
1
- निम्न यौगिक का IUPAC नाम लिखें :
<math>CH_3 - CH - CH_2 - CHO</math> NH<sub>2</sub>
Write the IUPAC name of the compound
<math>CH_3 - CH - CH_2 - CHO</math> NH<sub>2</sub>
- इन आइसोमरों (सम-अवयवियों) में से कौन सा अधिक वाष्पशील है ? 1
- नाइट्रोफ़िनॉल और p-नाइट्रोफ़िनॉल
Which of the following isomers is more volatile:
- nitrophenol or p-nitrophenol?
- कुछ द्रव मिश्रित किये जाने पर ‘ऐज़ियोट्रोप’ बनाते हैं । यह ऐज़ियोट्रोप क्या होते हैं ? Some liquids on mixing form 'azeotropes'. What are 'azeotropes'?
- निम्न यौगिकों को बढ़ती हुई क्षारिकता के क्रम में व्यवस्थित कीजिये :
C<sub>6</sub>H<sub>5</sub>NH<sub>2</sub>, C<sub>6</sub>H<sub>5</sub>NHCH<sub>3</sub>, C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>NH<sub>2</sub>
Arrange the following in increasing order of basic strength:
C<sub>6</sub>H<sub>5</sub>NH<sub>2</sub>, C<sub>6</sub>H<sub>5</sub>NHCH<sub>3</sub>, C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>NH<sub>2</sub> 2 56/1/2
Frequently asked questions
What is this document?
This is the CBSE Class 12 Chemistry 2014 Previous Year Board Question Paper (Delhi Set-2) for the theory examination.
What is the total marks and duration for the exam?
The Chemistry exam is for a maximum of 70 marks and has a duration of 3 hours.
How are the questions structured in this paper?
The paper includes 8 very short-answer questions (1 mark each), 10 short-answer questions (2 marks each), 9 short-answer questions (3 marks each), and 3 long-answer questions (5 marks each).
Can I use a calculator for this exam?
No, the use of calculators is not allowed, but log tables may be used if necessary.
Why is solving previous year question papers important?
Solving previous year question papers helps students understand the board exam pattern, question types, and marking scheme, which is essential for effective preparation and scoring well.
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