Indian Forest Service 2019 Chemistry Paper I Question Paper PDF

Central Government Jobs Other Jobs 2019

  • Year 2019
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 200
  • Duration Three Hours
  • Languages English

Exam Details

Detail Information
Examination Indian Forest Service (Main) Examination
Year 2019
Conducting Body UPSC
Paper Chemistry Paper - I
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 2019, specifically for Chemistry Paper I. Conducted by UPSC, this paper carries a maximum of 200 marks and allows three hours for completion. It is a crucial resource for aspirants preparing for the IFS Main exam, offering insights into the types of questions asked, the depth of knowledge required in Chemistry, and the overall exam structure. Understanding this paper helps candidates strategize their preparation effectively.

Major Topics Covered

  • Chemistry
  • Ligands
  • Octahedral Complex
  • Fuel Cell
  • Thermodynamics
  • Clapeyron Equation
  • Polarography
  • Cyclic Voltammetry

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 2019 Chemistry Paper II
  • Indian Forest Service (Main) Examination 2018 Chemistry Paper I
  • UPSC Chemistry Optional Previous Year Papers
  • Indian Forest Service (Main) Examination 2019 Chemistry Paper I Answer Key
  • Indian Forest Service (Main) Examination Chemistry Syllabus
  • UPSC Chemistry Optional Syllabus
  • Indian Forest Service (Main) Examination Pattern
  • UPSC Exam Calendar

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.
  • Answers must be written in ENGLISH only.
  • 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. h = 6.626 \times 10^{-34} Js k_B = 1.38 \times 10^{-23} JK-1 R = 8.314 JK-1 mol-1 \pi = 3.14 c=3\times10^8~\mathrm{ms}^{-1} F = 96500 \text{ C mol}^{-1} N_A = 6.023 \times 10^{23} mol-1 1 atm = 101325 Pa m_e = 9.1 \times 10^{-23} kg

Questions (page 2)

Section A

Q1.

(a) (i) Using the internationally accepted naming convention for ligands in an octahedral complex of an element Mn, what name would you give to the following? Br CO arphi2P-Mn-CO _{
m CO} Parphi arphi is Phenyl group
(ii) Predict the shape of ext{ICl}_4^- Z, Cl = 17 Z, I = 53

(b) What oxidant and fuel are generally used in a fuel cell ? Explain the working of Bacon fuel cell.

(c) Explain the effect of temperature on the distribution of molecular velocities.

(d) Deduce Nernst heat theorem and show that this forms the basis of third law of thermodynamics.

(e) Derive Clapeyron equation applicable to sublimation process
logp1p2=-L2·303 R[1T1-1T2],
where L is the latent heat per gm-mole.

Section A

Q2.

(a) Discuss the principle of the following :
(i) Polarography
(ii) Cyclic Voltammetry

Question paper preview

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

Page 1
Indian Forest Service Main 2019 Chemistry Paper I question paper page 1 instructions scan PDF download UPSC
Page 2
Indian Forest Service Main 2019 Chemistry Paper I question paper page 1 instructions scan PDF download UPSC

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Frequently asked questions

What is the name of the exam?

The exam is the Indian Forest Service (Main) Examination.

Which paper is this question paper for?

This question paper is for Chemistry Paper - I.

What is the conducting body for this exam?

The conducting body is UPSC.

In which year was this exam conducted?

The exam was conducted in 2019.

What is the maximum marks for Chemistry Paper - I?

The maximum marks for Chemistry Paper - I is 200.

What is the time allowed to attempt the paper?

The time allowed is Three Hours.

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