CBSE Class 12 Chemistry 2015 Previous Year Question Paper (Set-2)

Question Papers Class 12 PDF

This is the CBSE Class 12 Chemistry (Theory) previous year question paper from the 2015 Main Exams, Set-2. The paper is designed for a maximum of 70 marks and a duration of 3 hours. It contains 26 questions divided into different categories: 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. Candidates are given 15 minutes to read the paper. Solving this board question paper helps students understand the exam pattern, question types, and marks distribution, crucial for effective preparation and scoring well in the CBSE board exams.

Quick info

BoardCBSE
Class12
SubjectChemistry
Session2015
LanguageHindi
TypePrevious Year Question Paper
Exam typeBoard 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. The total marks are 70 and the time allowed is 3 hours.

Topics covered

Paper topics

  • Chemical Bonding
  • Organic Chemistry
  • Inorganic Chemistry
  • Physical Chemistry

Important topics

  • S_N 1 Reactions
  • Coordination Compounds
  • Acids and Bases
  • Electrochemistry

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Question paper text

SET-2

Series SSO

रोल नं.

Roll No.

कोड नं.

Code No.

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

Time allowed: 3 hours

अधिकतम अंक : 70

Maximum Marks: 70

56/2/P

P.T.O. 1

सामान्य निर्देश:

(i) सभी प्रश्न अनिवार्य हैं।

  1. प्रश्न संख्या 1 से 5 तक अति लघु-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 1 अंक है।
  2. प्रश्न संख्या 6 से 10 तक लघु-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 2 अंक हैं।
  3. प्रश्न संख्या 11 से 22 तक भी लघु-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 3 अंक हैं।
  4. प्रश्न संख्या 23 मूल्याधारित प्रश्न है और इसके लिए 4 अंक हैं।
  5. प्रश्न संख्या 24 से 26 तक दीर्घ-उत्तरीय प्रश्न हैं और प्रत्येक प्रश्न के लिए 5 अंक हैं।
  6. यदि आवश्यकता हो, तो लॉग टेबलों का प्रयोग करें । कैल्कुलेटरों के उपयोग की अनुमित नहीं है ।

General Instructions:

  1. All questions are compulsory.
  2. Questions number 1 to 5 are very short answer questions and carry 1 mark each.
  3. Questions number 6 to 10 are short answer questions and carry 2 marks each.
  4. Questions number 11 to 22 are also short answer questions and carry 3 marks each.
  5. Question number 23 is a value based question and carry 4 marks.
  6. Questions number 24 to 26 are long answer questions and carry 5 marks each.
  7. Use log tables, if necessary. Use of calculators is not allowed.

1

  1. <math>Zn^{2+}</math> के लवण सफेद होते हैं जबिक <math>Cu^{2+}</math> के लवण रंगीन होते हैं । क्यों ? <math>Zn^{2+}</math> salts are white while <math>Cu^{2+}</math> salts are coloured. Why?
  2. निम्नलिखित युग्म में <math>S_N 1</math> अभिक्रिया कौन अधिक तेज़ी से करेगा :

1 <math>CH_3</math>

<math>\mathrm{CH_3} - \mathrm{CH_2} - \mathrm{Br}</math> तथा <math>\mathrm{CH_3} - \mathrm{C} - \mathrm{CH_3}</math> Br 56/2/P 2

Frequently asked questions

What is this document?

This is the official CBSE Class 12 Chemistry (Theory) previous year question paper from the 2015 Main Exams, Set-2.

What is the total marks and duration for the exam?

The Chemistry 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 includes very short answer, short answer, value-based, and long answer questions, carrying marks from 1 to 5.

Why is solving previous year question papers important?

Solving previous year question papers helps students understand the board pattern, question types, and marks distribution, improving their preparation and exam performance.

Can I use a calculator for this paper?

No, the use of calculators is not allowed for this Chemistry (Theory) paper; however, log tables may be used if necessary.

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