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BOARD OF INTERMEDIATE EDUCATIONSENIOR INTER CHEMISTRY
MODEL PAPER (English Version)
Time : 3 Hours Max.Marks : 60
SECTION - AI. (i) Very Short Answer Type questions.
(ii) Answer ALL questions.(iii) Each question carries TWO Marks.
10 2 = 20
1. State "Henry's law".
2. What are 'nucleic acids'? Mention one important function of
nucleic acid.
3. Using IUPAC norms write the formulae for..
i) Hexa ammine Cobalt (III) Sulphateii) Potassium
trioxalatoferrate (III)
4. How is change in Gibbs energy (G) related to the emf (E) of a
galvanic cell?5. Give the hybridization of sulphur in the
following.
a) SO2 b) SO3 C) SF4 d) SF66. What the role of cryolite in the
extraction of Aluminium?
7. Why are the compounds of Bismuth more stable in +3 oxidation
state?
8. Write the possible chain isomers of the compound C4H9Br.
9. What are 'anomers'?
10. Explain "Hell - Volhard - Zelinsky reaction".SECTION - B
II. (i) Short Answer Type questions.(ii) Answer any SIX
questions.(iii) Each question carries FOUR Marks. 6 4 = 24
11. Derive Bragg's equation.
12. Differentiate "Roasting" and "Calcination" with
examples.
13. What is 'Catalysis'? What are the types of Catalysis? Give
one example for eachtype.
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14. a) What is "vulcanization" of rubber?b) Classify the
following polymers into addition and condensation polymers i)
Terylene ii) Bakelite iii) Polyvinyl Chloride iv) Polythene
15. Write short notes on i) Food preservatives and ii)
Analgesics16. Calculate Molarity, Molality and Mole fraction of KI
if the density of 20%
(mass/ mass) aqueous KI is 1.202 gm L1 (molar mass of KI = 166g
mol1).17. Explain Werner's theory of coordination compounds with
suitable examples.
18. Explain a) Sand Meyer's reaction and b) Gabriel Pthalimide
synthesis.
SECTION - C
III. (i) Long Answer Type questions. (ii) Answer any TWO
questions.(iii) Each question carries EIGHT Marks. 2 8 = 16
19. a) Write the names and formulae of the oxyacids of Chlorine.
Explain their structures and relative acidic nature.
b) How are XeF2 and XeF4 prepared? Explain their structures.20.
Give a detailed account of collision theory of reaction rates of
bimolecular
gaseous reaction.
21. a) Explain i) Reimer - Tiemann reaction andii) Williamson's
ether synthesis
b) Arrange the following in decreasing order of their basic
strength C6H5NH2,C2H5NH2, (C2H5)2NH, NH3
c) Write the IUPAC names of the following.i) pH. CH2COCH2COOH
and ii) CH3COCH2COCH3
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