Indian Forest Service 2018 Chemistry Paper II Question Paper PDF

Central Government Jobs Other Jobs 2018

  • Year 2018
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 200
  • Duration Three Hours
  • Languages English

Exam Details

Detail Information
Examination Indian Forest Service (Main) Examination
Year 2018
Conducting Body UPSC
Paper Chemistry Paper-II
Subject Chemistry
Duration Three Hours
Maximum Marks 200
Number of Questions 8
Question Type Mixed

This is the official question paper for the Indian Forest Service (Main) Examination held in 2018, specifically for Chemistry Paper II. Conducted by UPSC, this paper carries a maximum of 200 marks and allows three hours for completion. It is designed to assess the in-depth knowledge of candidates in various aspects of Chemistry. The paper consists of eight questions, out of which five are to be attempted, with compulsory questions 1 and 5. Aspirants must select at least one question from each of the two sections (A and B) from the remaining six questions. This paper is a crucial resource for candidates preparing for the IFS Main examination, providing valuable insights into the types of questions asked and the expected depth of knowledge.

Major Topics Covered

  • Chemistry
  • Naphthalene
  • Azulene
  • Dipole Moment
  • Acidity
  • Reaction Mechanisms
  • Stereochemistry
  • Organic Reactions
  • Isotopes
  • Chlorohydrins
  • Diels-Alder Reaction

Why This Paper is Important

  • Useful for Indian Forest Service (Main) Examination 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

  • Indian Forest Service (Main) Examination 2017 Chemistry Paper II
  • Indian Forest Service (Main) Examination 2019 Chemistry Paper II
  • Indian Forest Service (Main) Examination 2018 General Studies Paper I
  • Indian Forest Service (Main) Examination 2018 Chemistry Paper II Answer Key
  • Indian Forest Service (Main) Examination Chemistry Syllabus
  • UPSC Main Exam Syllabus
  • Indian Forest Service (Main) Examination Pattern
  • UPSC Exam Pattern

Instructions

  • There are EIGHT questions in all, out of which FIVE are to be attempted.
  • Out of the remaining SIX questions, THREE are to be attempted selecting at least ONE question from each of the two Sections A and B.
  • 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.
  • The number of marks carried by a question/part is indicated against it.
  • Unless otherwise mentioned, symbols and notations have their usual standard meanings.
  • Assume suitable data, if necessary, and indicate the same clearly.
  • Neat sketches may be drawn, wherever required.
  • Answers must be written in ENGLISH only.

Questions (page 2)

Section A

Q1. Answer the following questions :

(a) Explain why the dipole moment of naphthalene is 0.00 D and that of azulene is 1.08 D.

(b) Which one of the following compounds is more acidic? Justify your answer: Ph3CH

(c) Write the structure of the product(s) with proper stereochemical outcome of the following reaction and also the corresponding mechanistic pathway : Ph H Br2 H CO2H

(d) Predict the products of the following reaction showing distribution of the labelled carbon (* = ^{14}C) and the mechanism : O Cl NaOMe

(e) Account for the difference in reactivity of the following two reactions based on diastereomeric chlorohydrins. Write the product in each case : OH Cl Cold \overlineOH/H_2O Slow OH Cl Cold \overlineOH/H_2O Fast

(f) The initial product formed from the reaction of 2-methylcyclohexadiene and dimethylacetylene dicarboxylate on heating is transformed to another product with elimination of a small molecule. Write the structure of each product (initial and final). Also write how these are formed.

Question paper preview

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

Page 1
Indian Forest Service Main 2018 Chemistry Paper II question paper page 1 scan PDF download. UPSC IFS exam header and instructions.
Page 2
Indian Forest Service Main 2018 Chemistry Paper II question paper page 1 scan PDF download. UPSC IFS exam header and instructions.

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Frequently asked questions

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

This question paper is from the Indian Forest Service (Main) Examination.

Which year is this Indian Forest Service question paper from?

This question paper is from the year 2018.

Who conducts the Indian Forest Service Examination?

The Indian Forest Service Examination is conducted by the UPSC (Union Public Service Commission).

What is the subject and paper code for this question paper?

The subject is Chemistry, and the paper is Paper-II with the code FSI-D-CHM.

What is the maximum marks for Chemistry Paper-II?

The maximum marks for Chemistry Paper-II is 200.

What is the time duration allowed for this paper?

The time allowed for this paper is Three Hours.

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