Chemist 2021 RPSC Question Paper PDF | Chemistry

Rajasthan Government Jobs Other Jobs 2021

  • Year 2021
  • Conducted By RPSC
  • Questions 150
  • Maximum Marks 150
  • Duration 2.30 Hours
  • Languages Hindi & English

Exam Details

Detail Information
Examination Chemist 2021
Year 2021
Conducting Body RPSC
Paper Chemist Question Paper
Subject Chemistry
Duration 2.30 Hours
Maximum Marks 150
Number of Questions 150
Question Type Objective (MCQ)

This is the official question paper for the RPSC Chemist examination held in 2021. The paper focuses on Chemistry and contains 150 objective-type questions, carrying a maximum of 150 marks. Candidates are allotted 2.30 hours to complete the exam. This paper is crucial for aspirants preparing for the RPSC Chemist recruitment, providing insights into the exam pattern, difficulty level, and important topics covered. Practicing with this paper can significantly enhance preparation strategy and boost confidence for the upcoming examination.

Major Topics Covered

  • Chemistry
  • Ionisation Enthalpy
  • Electron Gain Enthalpy
  • Molecular Orbital Theory
  • Hybridisation
  • Chemical Bonding
  • VSEPR Theory

Why This Paper is Important

  • Useful for Chemist 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

  • RPSC Chemist 2022 Question Paper
  • RPSC Chemist 2020 Question Paper
  • RPSC Chemistry Previous Year Papers
  • RPSC Chemist 2021 Answer Key
  • Chemist 2021 Official Answer Key
  • RPSC Chemist Syllabus
  • Chemistry Syllabus for Competitive Exams
  • RPSC Chemist Exam Pattern

Instructions

  • प्रत्येक प्रश्न का केवल एक ही उत्तर दीजिए। If more than one answers are marked, it would be treated as
  • एक से अधिक उत्तर देने की दशा में प्रश्न के उत्तर को गलत माना wrong answer. जाएगा।
  • प्रत्येक प्रश्न के चार वैकल्पिक उत्तर दिये गये हैं, जिन्हें क्रमशः as 1, 2, 3,
  • You have to darken only one circle or bubble 1, 2, 3, 4 अंकित किया गया है।
  • अभ्यर्थी को सही उत्तर निर्दिष्ट करते indicating the correct answer on the Answer Sheet using हुए उनमें से केवल एक गोले अथवा बबल को उत्तर–पत्रक पर नीले BLUE BALL POINT PEN. बॉल प्वॉइंट पेन से गहरा करना है।
  • OMR उत्तर-पत्रक इस परीक्षा पुस्तिका के अन्दर रखा है।
  • जब you are directed to open the Test Booklet, take out the Answer आपको परीक्षा पुस्तिका खोलने को कहा जाए, तो उत्तर-पत्रक निकाल Sheet and fill in the particulars carefully with blue ball point कर ध्यान से केवल नीले बॉल प्वॉइंट पेन से विवरण भरें। pen only.
  • प्रत्येक गलत उत्तर के लिए प्रश्न अंक का 1/3 भाग काटा जायेगा। for each wrong answer. A wrong answer means an incorrect गलत उत्तर से तात्पर्य अशुद्ध उत्तर अथवा किसी भी प्रश्न के एक से answer or more than one answers for any question. Leaving all अधिक उत्तर से है।
  • किसी भी प्रश्न से संबंधित गोले या बबल को the relevant circles or bubbles of any question blank will not खाली छोड़ना गलत उत्तर नहीं माना जायेगा। be considered as wrong answer. मोबाइल फोन अथवा इलेक्ट्रॉनिक यंत्र का परीक्षा हॉल में प्रयोग पूर्णतया
  • Mobile Phone or any other electronic gadget in the वर्जित हैं।
  • यदि किसी अभ्यर्थी के पास ऐसी कोई वर्जित सामग्री मिलती examination hall is strictly prohibited. A candidate found with है, तो उसके विरुद्ध आयोग द्वारा नियमानुसार कार्यवाही की जायेगी। any of such objectionable material with him/her will be strictly कृपया अपना रोल नम्बर ओ.एम.आर. पत्रक पर साक्धानीपूर्वक सही
  • गलत अथवा अपूर्ण रोल नम्बर भरने पर 5 अंक कूल प्राप्तांकों में Please correctly fill your Roll Number in O.M.R. Sheet.
  • से काटे जा सकते हैं। 5 Marks can be deducted for filling wrong or incomplete Roll
  • यदि किसी प्रश्न में किसी प्रकार की कोई मुद्रण या तथ्यात्मक प्रकार Number.
  • If there is any sort of ambiguity/mistake either of printing or की त्रूटि हो, तो प्रश्न के हिन्दी तथा अंग्रेजी रूपान्तरों में से अंग्रेजी factual nature, then out of Hindi and English Version of the रूपान्तर मान्य होगा। question, the English Version will be treated as standard. चेतावनी : अगर कोई अभ्यर्थी नकल करते पकड़ा जाता है या उसके पास Warning: If a candidate is found copying or if any unauthorized से कोई अनधिकृत सामग्री पाई जाती है, तो उस अभ्यर्थी के विरुद्ध पुलिस material is found in his/her possession, F.I.R. would be lodged में प्राथमिकी दर्ज कराते हुए विविध नियमों—प्रावधानों के तहत कार्यवाही against him/her in the Police Station and he/she would liable to be की जाएगी।
  • साथ ही विभाग ऐसे अभ्यर्थी को भविष्य में होने वाली विभाग prosecuted. Department may also debar him/her permanently from की समस्त परीक्षाओं से विवर्जित कर सकता है। all future examinations. इस परीक्षा पुस्तिका को तब तक न खोलें जब तक कहा न जाए। Do not open this Test Booklet until you are asked to do so. [02] - \otimes Page 1 of 32

  • Only one answer is to be given for each question.
  • Each question has four alternative responses marked serially
  • The OMR Answer Sheet is inside this Test Booklet. When
  • 1/3 part of the mark(s) of each question will be deducted

Questions (page 2)

Q1. Which of the following have the most negative electron gain enthalpy?

  • (1) P
  • (2) S
  • (3) Cl
  • (4) F

Q2. The correct decreasing order for first ionisation enthalpy among the following is -

  • (1) C > N > O > F
  • (2) O > N > F > C
  • (3) O > F > N > C
  • (4) F > N > O > C

Q3. Match list-I with list-II -

  • (1) सूची - I
    (I) XeF4
    (II) BrF5
    (III) ClF3
    (IV) SF4
    सूची - II
    (a) T - आकृति
    (b) वर्ग समतली
    (c) ढेंकुली
    (d) वर्ग पिरामिडी
    (1) (I) – a, (II) – b, (III) – c, (IV) – d
    (2) (I) – d, (II) – c, (III) – b, (IV) – a
    (3) (I) – d, (II) – b, (III) – c, (IV) – a
    (4) (I) – b, (II) – d, (III) – a, (IV) – c

Q4. Which of the following pair has same bond order?

  • (1) N2, Cl2
  • (2) O2^+, F2
  • (3) NO^+, CO
  • (4) O2, N2

Q5. The hybridisation of Xe in XeOF4 molecule is-

  • (1) dsp2
  • (2) sp^3d2
  • (3) sp^3d
  • (4) sp^3d3

Q6. Which of the following molecule is paramagnetic according to molecule orbital theory?

  • (1) O2
  • (2) F2
  • (3) N2
  • (4) C2

Q7. The state of hybridisation of C in graphite is -

  • (1) sp
  • (2) sp2
  • (3) sp3
  • (4) sp^3d

Question paper preview

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

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Frequently asked questions

What is the name of the exam?

The exam is for the post of Chemist.

Which year is this question paper from?

This question paper is from the year 2021.

Who conducts the Chemist examination?

The examination is conducted by RPSC.

What is the subject of this paper?

The subject of this paper is Chemistry.

How many questions are there in the paper?

There are 150 questions in the booklet.

What is the maximum mark for the paper?

The maximum marks for the paper is 150.

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