CBSE Class 12 Chemistry (Theory) Previous Year Question Paper 2018 Set-2
This is the CBSE Class 12 Chemistry (Theory) Previous Year Question Paper from the 2018 Main Exams, Set-2. The paper is designed for a maximum of 70 marks and a duration of 3 hours, with an additional 15 minutes for reading. It contains 26 questions divided into different sections: very short answer questions (1 mark each) from Q1-5, short answer questions (2 marks each) from Q6-10, short answer questions (3 marks each) from Q11-22, a value-based question (4 marks) as Q23, and long answer questions (5 marks each) from Q24-26. Students are allowed to use log tables but not calculators. Solving this board question paper is crucial for understanding the exam pattern, question types, and marking scheme, thereby helping students prepare effectively and improve their performance in the upcoming CBSE board exams.
Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Chemistry |
| Session | 2018 |
| 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, with a total of 70 marks and a 3-hour duration.
Topics covered
Paper topics
- Organic Chemistry Nomenclature
- Chemical Kinetics
- Electrochemistry
- Coordination Compounds
- Haloalkanes and Haloarenes
- Alcohols, Phenols and Ethers
- Aldehydes, Ketones and Carboxylic Acids
- Amines
- Biomolecules
- Polymers
- Chemistry in Everyday Life
Important topics
- IUPAC Nomenclature
- Reaction Mechanisms
- Thermodynamics
- Surface Chemistry
- P-Block Elements
- D- and F-Block Elements
- Organic Reaction Mechanisms
- Biomolecule Structures
- Coordination Compound Properties
PDF preview
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Question paper text
SET-2
Series SGN
Roll No.
कोड नं.
Code No.
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 15 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 जाएगा । 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 15 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 minute 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 घण्टे
Maximum Marks: 70
Time allowed: 3 hours
अधिकतम अंक : 70
P.T.O.
56/2
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 । कैल्कुलेटरों के उपयोग की अनुमति नहीं है ।
General Instructions:
- All questions are compulsory.
- Questions number 1 to 5 are very short answer questions and carry 1 mark each.
- Questions number 6 to 10 are short answer questions and carry 2 marks each.
- Questions number 11 to 22 are also short answer questions and carry 3 marks each.
- Question number 23 is a value based question and carries 4 marks.
- Questions number 24 to 26 are long answer questions and carry 5 marks each.
- Use log tables, if necessary. Use of calculators is not allowed.
- निम्नलिखित का आई.यू.पी.ए.सी. नाम लिखिए :
<math>CH_3</math> <math>CH_3 - C - CH - CH_3</math> <math>C_2H_5</math> OH
Write the IUPAC name of the following :
<math display="block">\begin{array}{cccccccccccccccccccccccccccccccccccc</math> <math>C_2H_5</math> OH
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Frequently asked questions
What is this document?
This is the official CBSE Class 12 Chemistry (Theory) Previous Year Question Paper from the 2018 Main Exams, Set-2, for board exam practice.
What is the total mark and time duration for the Chemistry paper?
The Chemistry (Theory) paper is for a maximum of 70 marks and the allowed time is 3 hours.
How are the questions structured in this paper?
The paper has 26 questions categorized into 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 students can use log tables if necessary.
How does solving this previous year question paper help students?
Solving this previous year question paper helps students understand the board exam pattern, question difficulty, and marking scheme, improving their preparation and confidence for the final exams.
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