UPSC Combined Geo-Scientist 2026 Chemistry Paper II Question Paper PDF

Central Government Jobs Other Jobs 2026

  • Year 2026
  • Conducted By UPSC
  • Questions 120
  • Maximum Marks 300
  • Duration Two Hours Maximum Marks: 300
  • Languages English

Exam Details

Detail Information
Examination UPSC Combined Geo-Scientist (Preliminary) Examination
Year 2026
Conducting Body UPSC
Paper Paper II Chemistry
Subject Chemistry
Duration Two Hours Maximum Marks: 300
Maximum Marks 300
Number of Questions 120
Question Type Objective (MCQ)

This is the official question paper for Paper II Chemistry of the UPSC Combined Geo-Scientist (Preliminary) Examination held in 2026. The paper consists of 120 objective-type questions and is designed to be completed within two hours, carrying a maximum of 300 marks. Aspirants can use this paper to understand the exam pattern, difficulty level, and the types of questions asked in the Chemistry subject for the preliminary stage of the Geo-Scientist exam. It includes important instructions for candidates regarding test booklet handling, marking schemes, and penalties for wrong answers.

Major Topics Covered

  • Chemistry
  • Quantum Numbers
  • Wave Functions
  • Electron Configuration
  • Atomic Structure
  • Periodic Table
  • Boiling Point Trends
  • Chemical Elements
  • Periodic Trends

Why This Paper is Important

  • Useful for UPSC Combined Geo-Scientist (Preliminary 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

  • UPSC Combined Geo-Scientist (Preliminary) Examination 2025 Paper II Chemistry
  • UPSC Combined Geo-Scientist (Main) Examination 2026 Paper II Chemistry
  • UPSC Combined Geo-Scientist (Preliminary) Examination 2026 Paper I General Studies
  • UPSC Combined Geo-Scientist 2026 Paper II Chemistry Answer Key
  • UPSC Combined Geo-Scientist Chemistry Syllabus
  • UPSC Geo-Scientist Prelims Syllabus
  • UPSC Combined Geo-Scientist Exam Pattern
  • UPSC Geo-Scientist Prelims Exam Pattern

Instructions

  • CHECK THAT THIS TEST BOOKLET DOES NOT HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS, ETC.
  • IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET.
  • Please note that it is the candidate's responsibility to encode and fill in the Roll Number and
  • Test Booklet Series Code A, B, C or D carefully and without any omission or discrepancy at the appropriate places in the OMR Answer Sheet.
  • Any omission/discrepancy will render the Answer Sheet liable for rejection.
  • You have to enter your Roll Number on the Test Booklet in the Box provided alongside.
  • DO NOT write anything else on the Test Booklet.
  • This Test Booklet contains 120 items (questions).
  • Each item comprises four responses (answers).
  • You will select the response which you want to mark on the Answer Sheet.
  • In case, you feel that there is more than one correct response, mark the response which you consider the best.
  • In any case, choose ONLY ONE response for each item.
  • You have to mark your responses ONLY on the separate Answer Sheet provided.
  • Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet,
  • you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your Admission Certificate.
  • After you have completed filling in all your responses on the Answer Sheet and the examination has
  • concluded, you should hand over to the Invigilator only the Answer Sheet.
  • You are permitted to take away, with you the Test Booklet.
  • Sheets for rough work are appended in the Test Booklet at the end. Penalty for wrong Answers:
  • THERE WILL BE PENALTY FOR WRONG ANSWERS MARKED BY A CANDIDATE.
  • There are four alternatives for the answer to every question.
  • For each question for which a (i) wrong answer has been given by the candidate, one-third of the marks assigned to that question will be deducted as penalty.
  • If a candidate gives more than one answer, it will be treated as wrong answer even if one (ii) of the given answers happens to be correct and there will be same penalty as above to that question.
  • If a question is left blank i.e. no answer is given by the candidate, there will be no penalty (iii) for that question.
  • DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE TOLD TO DO SO

Questions (page 2)

Q1. Radial distribution function does NO' depend upon Principal quantum number , K shell, example : F Elements in group 16 are also known as chalcogens

  • (a) Distance from the nucleus Principal quantum number
  • (b) Azimuthal quantum number
  • (c) Orientation of orbital

Q2. Which one of the following state ments regarding wave functions NOT correct? Principal quantum number 3, M shell, example : Elements in groups 3-12 are known as -block elements

  • (a) Wave functions are three dimen sional and contain three quantur numbers and
  • (b) Wave functions represent tot movement of a particle over period
  • (c) Probability density is interprete as the square of wave function

Q3. Principal quantum number , L shell, example : The f-block elements are also known as inner transition ele- ments

  • (a) as
  • (b) inner
  • (c) transition

Q4. Principal quantum number 3, K shell, example : Select the answer using the co given below: 1 only Elements of groups 13-18 are known as transition elements

  • (a) and only 2 and 4
  • (b) and 3 BBSP-T-CMT - A

Q5. Elements in group 2 are also known as alkaline earth metals Which of the statements given above re correct?

  • (a) 3
  • (b) and
  • (c) 5

Question paper preview

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Frequently asked questions

What is the name of the exam?

The exam is the UPSC Combined Geo-Scientist (Preliminary) Examination.

What is the year of this question paper?

This question paper is from the year 2026.

Which paper is this question paper for?

This is Paper II, Chemistry.

Who conducts the Combined Geo-Scientist Examination?

The examination is conducted by UPSC (Union Public Service Commission).

What is the total time allowed for the exam?

The time allowed for the exam is Two Hours.

What are the maximum marks for this paper?

The maximum marks for this paper are 300.

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