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FPSC · CSS 2022

Chemistry

100 marks · 3 hours · 7 questions
This paper Chemistry · all yearsQ. 2 · Derive Schrodinger wave equation for…Q. 3 · What is Stereoisomerism? Discuss it…Q. 4 · What is Valence Bond theory?…Q. 5 · What is photoelectric effect? How…Q. 6 · What are electron-deficient compounds? Discuss…Q. 7 · What is Nernst equation? Explain…Q. 8 · What is crystal field theory?…With this paper← 20212023 →
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Part II

Q. 2
  1. (a)Derive Schrodinger wave equation for particle in one dimensional box. [10]
  2. (b)Discuss Heisenberg's Uncertainty principle. [5]
  3. (c)What is corrosion? How it can be prevented? [5]
(20)
Q. 3
  1. (a)What is Stereoisomerism? Discuss it with reference to coordination complexes. [8]
  2. (b)Define and explain Jahn-Teller theorem. [6]
  3. (c)Write a short note on column chromatography. [6]
(20)
Q. 4
  1. (a)What is Valence Bond theory? How does this theory explains the structure of inorganic molecules? [8]
  2. (b)Define and explain the phenomenon of resonance in inorganic compounds. [6]
  3. (c)Write some general characteristics of actinides. [6]
(20)
Q. 5
  1. (a)What is photoelectric effect? How quantum mechanics explains this effect? [8]
  2. (b)What is wave-function? Discuss its interpretation given by Born. [6]
  3. (c)What are fuel cells? Discuss their working with suitable examples. [6]
(20)
Q. 6
  1. (a)What are electron-deficient compounds? Discuss bond in such compounds. [7]
  2. (b)Define and explain the VSEPR model to explain the geometry of inorganic substances. [7]
  3. (c)Discuss variation in oxidation states of lanthanides. [6]
(20)
Q. 7
  1. (a)What is Nernst equation? Explain it. [8]
  2. (b)Define and explain Kohlrausches's law. [7]
  3. (c)Write a short note on Arrhenius equation. [5]
(20)
Q. 8
  1. (a)What is crystal field theory? How does this theory explain the geometry of complexes? [8]
  2. (b)Explain Lewis theory of acids and bases. [6]
  3. (c)Write a short note on thin layer chromatography. [6]
(20)

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The 2022 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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