Jharkhand 4th CCSME Chemistry Paper II 2012 Question Paper

Jharkhand Government Jobs Administrative / Civil Services 2012

  • Year 2012
  • Conducted By Jharkhand Government Jobs
  • Maximum Marks 200
  • Languages English & Hindi

Exam Details

Detail Information
Examination 4th COMBINED CIVIL SERVICES (Main) EXAM
Year 2012
Conducting Body Jharkhand Government Jobs
Paper Chemistry (02) 4th CCSME
Subject Chemistry
Maximum Marks 200
Question Type Descriptive / Subjective

This document contains the Chemistry Paper II for the 4th COMBINED CIVIL SERVICES (Main) EXAM held in 2012, conducted by Jharkhand Government Jobs. The paper is worth 200 marks and includes descriptive questions. Key topics covered include NMR spectroscopy for structure determination of organic compounds like C10H12, applications of EPR in biological systems, chirality and stereoisomers, geometric isomerism in 1,2-Cyclopentanediol, hydrocarbon analysis using IR spectroscopy, and reaction mechanisms such as homolytic and heterolytic bond fission, Friedel-Crafts reactions, and Aldol reactions. The paper is presented in both English and Hindi, reflecting the bilingual nature of the examination. This resource is valuable for candidates preparing for the Jharkhand CCSME and other competitive exams in Chemistry.

Major Topics Covered

  • NMR Spectroscopy
  • Organic Chemistry
  • Chirality
  • Stereochemistry
  • Geometric Isomerism
  • IR Spectroscopy
  • Hydrocarbon Analysis
  • Reaction Mechanisms
  • EPR Spectroscopy
  • Biological Systems
  • Bond Fission
  • Friedel-Crafts Reaction
  • Aldol Reaction
  • Molecular Structure
  • Chemical Bonding
  • Spectroscopy
  • Main Exam Preparation
  • Civil Services Exam
  • Jharkhand PSC
  • Chemistry Syllabus

Why This Paper is Important

  • Useful for 4th COMBINED CIVIL SERVICES (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

Instructions

  • पूर्णांक दिए गए हैं प्रश्न संख्या 1 अनिवार्य है CHEMISTRY रसायन-विज्ञान PAPER-II \frac{1}{11-11} Total No. of Printed Pages-14 200 words each) : reaction 200 शब्दों में): : 200 Full Marks: 200 12Y - 100/22 पूर्णक ÷. \overline{5} \frac{1}{2} Give the structure(s) consistent with the मिमलिखित NMR ऑकड़े के अनुकूल C10H12 की Write a short note on the applications of EPR का जैविक सिस्टम में उपयोगों पर एक संक्षिप्त following C10H12 of NMR data: (i) Multiplet, 80-65, 2H EPR to biological systems. (ii) Multiplet, 80.81, 2H संखना या संख्याएँ दीजिए : (iii) Singlet, \delta 1.37, 3H (iv) Singlet, 57.17, 5H \frac{4}{1} रियणी लिखिए। 22 12Y - 100 \widehat{e} ίÞ)

Questions (page 2)

Q1. Give the structure(s) consistent with the following C10H12 NMR data:
(i) Multiplet, delta 0.65, 2H
(ii) Multiplet, delta 0.81, 2H
(iii) Singlet, delta 1.37, 3H
(iv) Singlet, delta 7.17, 5H

Q2. Write a short note on the applications of EPR to biological systems.

Q3. Give the structure(s) consistent with the following C10H12 NMR data:
(i) Multiplet, delta 0.65, 2H
(ii) Multiplet, delta 0.81, 2H
(iii) Singlet, delta 1.37, 3H
(iv) Singlet, delta 7.17, 5H

Q4. निम्नलिखित NMR आँकड़े के अनुकूल C10H12 की संरचना या संख्याएँ दीजिए :

Q5. Write a short note on the applications of EPR to biological systems.

Q6. EPR का जैविक सिस्टम में उपयोगों पर एक संक्षिप्त टिप्पणी लिखिए।

Q7. What are the essential conditions for a compound to exhibit chirality. Explain.

Q8. The methyl anion, CH3^-
The amide ion, NH2^-
What shape would you expect each of the following to have?
(i) H2S
(ii) (CH3)_3N
(iii) Dimethylether

Q9. Write the structures of the geometric isomers of 1,2-Cyclopentanediol
1,2-साइक्लोपेन्टेनडाइऑल के ज्यामितीय समावयवता संरचना लिखिए और उनके विन्यास-रसायन पर टिप्पणी कीजिए।

Q10. What is a likely structure for a hydrocarbon of formula C6H12 that shows strong absorption at 2920 cm^-1 and 2840cm^-1, and none above 2920 cm^-1 and below 1450 cm^-1? What NMR signals would you expect for cyclohexane and why?

Q11. साइक्लोहेक्ज़ेन में कितने NMR सिगनल होंगे और क्यों?

Q12. The recording that more recorder एब्जॉर्पशन दिखाता है 2920 cm-' और नहीं और 1250 cm^-1 तक कोई कैन्ड नहीं, 0 cm^-1 से ऊपर नहीं और 1450 cm^-1 से हाइड्रोकार्बन जिसका सूत्र C6H12 है और वह सरका कांजिए। 0 cm^-1 none until 1250 cm^-1? at 2840 cm^-1 and at 1450 cm^-1; many

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Frequently asked questions

What is the exam name and year?

The exam is the 4th COMBINED CIVIL SERVICES (Main) EXAM, held in 2012.

Which subject and paper is this?

This is Chemistry Paper II (Subject Code: 02).

What is the maximum marks for this paper?

The maximum marks for this paper is 200.

What type of questions are asked in this paper?

The paper consists of descriptive questions.

What are the languages of the question paper?

The question paper is available in both English and Hindi.

What topics are covered in the NMR spectroscopy questions?

The NMR questions focus on determining the structure of organic compounds like C10H12 using given NMR data (multiplets and singlets).

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