Prep Right
Questions › CSS › Chemistry › 2016
FPSC · CSS 2016

Chemistry, Paper II

100 marks · 3 hours · 7 questions
This paper Chemistry · all yearsQ. 2 · Write briefly on the following…Q. 3 · How would you synthesize each…Q. 4 · Draw the structures of the…Q. 5 · Consider the reaction of bromocyclohexane…Q. 6 · Write the major product(s) of…Q. 7 · Write a brief account on…Q. 8 · Differentiate following using IR Spectroscopy?With this paper← 20152017 →
3 hours · questions hide until you reveal them

Part II

Q. 2

Write briefly on the following terms:

  1. (i)Hyper-conjugation [2]
  2. (ii)Aromaticity [2]
  3. (iii)Grignard's reagent [2]
  4. (iv)SN1 reaction [2]
  5. (v)Molecular chirality [2]
  6. (vi)Monosaccharides [2]
  7. (vii)Chemical shift [2]
  8. (viii)Glycolysis [2]
  9. (ix)Detergents [2]
  10. (x)Friedal Craft alkylation [2]
(20)
Q. 3
  1. (a)How would you synthesize each of the following molecule from an alkene of appropriate structure (structure of your choice). [8]
  2. (b)Write the expected major product of the reaction of propyne with each of the following reagents. [6]
  3. (c)Starting with benzene, design reasonable syntheses of each of the following compounds. [6]
(20)
Q. 4
  1. (b)Draw the structures of the following molecules: [10]
  2. (c)The structure(I) given below has significant dipole moment. Which end of the molecule would you expect to owe positive charge, and which tend to be negative. [2]
(20)
Q. 5
  1. (a)Consider the reaction of bromocyclohexane with each of the four reagents below, and answer the questions below. Also write down the reaction mechanism in each case. [7]
  2. (b)Evaluate each of the possible alcohol syntheses below as being good (the desired alcohol is major or only product), not so good (the desired alcohol is a minor product, or worthless). [5]
(20)
Q. 6
  1. (c)Write the major product(s) of each of the following reactions. It is implied that aqueous work-up has taken place in all those cases that require it to obtain the organic product. [8]
(20)
Q. 7

Write a brief account on the following:

  1. (a)Biological importance of starch [5]
  2. (b)Classification of Amino acids [5]
  3. (c)Primary structure of Proteins [5]
  4. (d)Glycogenesis [5]
(20)
Q. 8
  1. (a)Differentiate following using IR Spectroscopy? [4]
  2. (b)What type of electronic transition are possible in the following compounds? [2]
  3. (c)How will you distinguish the following compounds using UV/Visible spectrophotometer? [4]
  4. (d)Give the chemical shift of the following compounds for each proton [5]
  5. (e)The mass spectrum of compound shows following peaks: m/e= 120, relative intensity=20% (M⁺ peak), m/e= 105, relative intensity=80%, m/e= 77, relative intensity=96%, m/e= 43, relative intensity=35%. Assign the structure which would be expected. [5]
(20)

Related papers

Chemistry 2009Chemistry 2009Chemistry 2010Chemistry 2010Chemistry 2011Chemistry 2011Chemistry 2012Chemistry 2012Chemistry 2013Chemistry 2014Chemistry 2014Chemistry 2015Chemistry 2017Chemistry 2017Chemistry 2018Chemistry 2019Chemistry 2019Chemistry 2020Chemistry 2020Chemistry 2021Chemistry 2022Chemistry 2023Chemistry 2023Chemistry 2024Chemistry 2024Chemistry 2025Chemistry 2025Chemistry 2026Chemistry 2026Arabic 2016British History 2016Business Administration 2016Comparative Study of Major Religions 2016Computer Science 2016Constitutional Law 2016Criminology 2016Current Affairs 2016Economics 2016Economics 2016English Essay 2016English Literature 2016English (Précis & Composition) 2016Environmental Sciences 2016European History 2016General Science & Ability 2016Geography 2016Geology 2016Governance & Public Policies 2016History of Pakistan & India 2016History of USA 2016International Relations 2016International Relations 2016Islamic History & Culture 2016Islamic Studies 2016Journalism & Mass Communication 2016Pakistan Affairs 2016Philosophy 2016Physics 2016Physics 2016Political Science 2016Psychology 2016Public Administration 2016Punjabi 2016Pure Mathematics 2016Sociology 2016Statistics 2016Town Planning & Urban Management 2016Zoology 2016

About this paper

The 2016 CSS Chemistry paper set by the FPSC. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet.

Disclaimer Prep Right is independent and not affiliated with FPSC.