CS (MAIN) Exam 2017 Chemistry Paper II Question Paper PDF

Central Government Jobs Other Jobs 2017

  • Year 2017
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination CS (MAIN) Exam
Year 2017
Conducting Body UPSC
Paper Chemistry Paper - II
Subject Chemistry
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Mixed

This is the official Chemistry Paper II question paper for the CS (MAIN) Exam conducted by UPSC in 2017. The paper is divided into two sections with a total of eight questions, and candidates are required to answer five questions in all. Questions 1 and 5 are compulsory, with at least one question to be attempted from each section. The exam duration is three hours, and it carries a maximum of 250 marks. This paper is crucial for candidates preparing for the main stage of the Civil Services examination, offering insights into the depth and breadth of chemistry knowledge assessed.

Major Topics Covered

  • Aromaticity
  • Anti-aromaticity
  • Non-aromaticity
  • Organic Reaction Mechanisms
  • Stereochemistry
  • Reaction Intermediates

Why This Paper is Important

  • Useful for CS (MAIN) Exam preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • CS (MAIN) Exam 2017 Chemistry Paper - I
  • CS (MAIN) Exam 2017 General Studies Paper - I
  • CS (MAIN) Exam 2017 General Studies Paper - II
  • CS (MAIN) Exam 2017 Chemistry Paper - II Answer Key
  • CS (MAIN) Exam Chemistry Syllabus
  • UPSC Civil Services Exam Syllabus
  • CS (MAIN) Exam Pattern
  • UPSC Civil Services Exam Pattern

Instructions

  • पुस्तिका के मुख-पृष्ठ पर निर्दिष्ट स्थान पर किया जाना चाहिए ।
  • उल्लिखित माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे । ,जहाँ आवश्यक हो, निर्देशांक आरेखों को प्रश्न का उत्तर देने के लिए दिए गए स्थान में ही बनाना है ।
  • जब तक उल्लिखित न हो, संकेत तथा शब्दावली प्रचलित मानक अर्थों में प्रयुक्त हैं ।
  • यदि आवश्यक हो, तो उपयुक्त आँकड़ों का चयन कीजिए तथा उनको निर्दिष्ट कीजिए ।
  • प्रश्नों के प्रयासों की गणना क्रमानुसार की जाएगी ।
  • आंशिक रूप से दिए गए प्रश्नों के उत्तर को भी मान्यता दी जाएगी यदि उसे काटा न गया हो ।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़े गए कोई पृष्ठ अथवा पृष्ठ के भाग को पूर्णत: काट दीजिए ।

  • There are EIGHT questions divided in TWO SECTIONS and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Questions no. 1 and 5 are compulsory and out of the remaining, any THREE are to be attempted choosing at least ONE question from each section.
  • The number of marks carried by a question / part is indicated against it.
  • Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
  • No marks will be given for answers written in a medium other than the authorized one.
  • Coordinate diagrams, wherever required, shall be drawn in the space provided for answering the question itself.
  • Unless otherwise mentioned, symbols and notations have their usual standard meanings.
  • Assume suitable data, if considered necessary, and indicate the same clearly.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.
  • Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.

Questions (page 2)

Section A

Q1.

(a) निम्नलिखित उदाहरणों को ऐरोमैटिक, प्रति-ऐरोमैटिक एवं अन-ऐरोमैटिक में वर्गीकृत कीजिए । साथ ही अपने उत्तर को उचित भी सिद्ध कीजिए ।

Classify the following examples into aromatic, anti-aromatic and non-aromatic. Justify your answer.

(i)
(ii)
(iii)
(iv)
(v)

(b) उत्पादों A और B की संरचनाएँ लिखिए तथा इन रूपांतरणों [(i) और (ii)] के प्रत्येक मुख्य/गौण उत्पादों का उल्लेख और औचित्य-प्रतिपादन कीजिए ।

Write the structure of products A and B and mention the major/minor products in each of these conversions [(i) and (ii)] with justification.

Me
Me
|
Br
Me
(i) NaOEt
(ii) tBuOK
A + B

Question paper preview

Scanned pages 1–2 for reference. Download the official PDF for the full paper.

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CS (MAIN) Exam 2017 Chemistry Paper II question paper page 1 instructions scan PDF download UPSC
Page 2
CS (MAIN) Exam 2017 Chemistry Paper II question paper page 1 instructions scan PDF download UPSC

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Frequently asked questions

What is the name of the exam for which this paper was conducted?

This paper is for the CS (MAIN) Exam.

What is the year of this question paper?

The year of this question paper is 2017.

Who conducted the CS (MAIN) Exam in 2017?

The exam was conducted by UPSC.

What is the subject of this paper?

The subject of this paper is Chemistry, specifically Paper II.

What is the maximum marks for this paper?

The maximum marks for this paper are 250.

What is the time allowed to complete this paper?

The time allowed is Three Hours.

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