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FPSC · CSS 2010

Chemistry, Paper II

100 marks · 3 hours · 6 questions
Practice 20 MCQs
This paper Chemistry · all yearsQ. 2 · What is mesomerism? Give the…Q. 3 · What is Diazotisation reaction? How…Q. 4 · How will you synthesize following?…Q. 5 · Discuss the structure of Grignard…Q. 6 · Explain the difference between:Q. 7 · Hydrolysis of Ethylacetate by sodium…With this paperPart-I MCQs20← 20102011 →
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Part II

Q. 2
  1. (a)What is mesomerism? Give the conditions necessary for mesomerism. [10]
  2. (b)What is intramolecular and intermolecular hydrogen bonding? Illustrate with examples. [6]
  3. (c)Indicate the type of hybridization of carbon atom in the following: [4]
(20)
Q. 3
  1. (a)What is Diazotisation reaction? How will you prepare following via Diazotisation reaction? [14]
  2. (b)Discuss the action of nitrous acid on secondary and tertiary amines. [6]
(20)
Q. 4
  1. (a)How will you synthesize following? Give reaction conditions and mechanism. [16]
  2. (b)What is the difference between clemmensen and wolff-kishner reduction? [4]
(20)
Q. 5
  1. (a)Discuss the structure of Grignard Reagent. [4]
  2. (b)How these compounds can be prepared via Grignard Reagent? [16]
(20)
Q. 6
  1. (a)Explain the difference between: [16]
  2. (b)Write the structure of monomers from which each of the following would be formed: [4]
(20)
Q. 7
  1. (a)Hydrolysis of Ethylacetate by sodium hydroxide is done by taking different initial concentration. What will be the rate of this reaction? [6]
  2. (b)A second order reaction has equal concentrations of reactants and is 25% completed in 20 minutes. How much time is required to complete the reaction by 75%? [10]
  3. (c)Express the rate of reversible decomposition of Phosphorus pentachloride into Phosphorous trichloride and chlorine in terms of reactants and products. [4]
(20)

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The 2010 CSS Chemistry paper set by the FPSC. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet.

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