February 6, 2016

Senior Inter Chemistry Paper 2 - Model Question Paper

Following is the Senior Intermediate Model Question Paper for AP and Telangana students appearing for IPE exams in March - April 2016. The duration of the exam is 3 hours and maximum marks are 60. The Chemistry Model Paper (Paper - II) is as per the new syllabus.

I. i) Very short answer type questions.
ii) Answer ALL the questions.
iii) Each question carries TWO marks. 10 × 2 = 20

1. What are "antacids"? Give an example.
2. State "Henry's law".
3. What are pseudo first order reactions? Give an example.
4. What are the oxidation states of P in
i) H3PO3 ii) Ca3P2 iii) Na3PO4 iv) POF3
5. HF is a liquid while HCl is a gas - Explain.
6. What is the role of depressant in froth flotation process?
7. What is "Polydispersity Index" (PDI)?
8. What is "condensation polymer"? Give an example.
9. What are "food preservatives"? Give an example.
10. Calculate spin only magnetic moments of
a) Fe+2 (aq.) ion b) Cu+2 (aq.) ion

II. i) Short answer type questions.
ii) Answer any SIX questions.
iii) Each question carries FOUR marks. 6 × 4 = 24

11. What is "catalysis"? How is it classified? Give two examples for each type of catalysis.
12. Define mole fraction. Calculate mole fraction of benzene in solution containing 30% by mass in carbon tetra chloride.
13. Describe two main types of semiconductors. Classify the following as either p-type or n-type semiconductor.
a) Ge doped with In, b) Si doped with B.
14. Explain the following with one example each.
a) Roasting b) Calcination
15. Give the sources of the following vitamins and name the diseases caused by their deficiency. a) A b) K c) E d) D
16. Explain SN1 and SN2 reactions.
17. Using IUPAC norms write the formulae of the following.
i) Hexaamminecobalt (III) chloride
ii) Tetraamminediaquacobalt (III) chloride
iii) Potassiumtetracyanonickelate (II)
iv) Amminebromochloronitrito-N-platinate (II)
18. How does phenol reacts with a) NaOH followed by CO2 & H+.
b) CHCl3 & aq.NaOH

III. i) Long answer type questions.
ii) Answer any TWO questions.
iii) Each question carries EIGHT marks. 2 × 8 = 16

19. a) State Faraday's laws of electrolysis.
b) What is molecularity of a reaction? How is it different from the 'order' of a reaction? Name one bimolecular and one trimolecular gaseous reactions.
20. a) How is ozone prepared from oxygen? How does it reacts with i) pb S ii) Hg.
b) How are XeF4, XeO3 are prepared? Give their structures.
21. Explain the following reactions with one example each.
a) Rosenmund reduction
b) Gatterman - Koch reaction
c) Sandmeyer reaction
d) Gabriel Pthalimide synthesis.

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