www.e
enadu
pratib
ha.netwww
.eenadup
ratibh
a.net
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. What is PPm of a solution?
2. State Kohlrausch's law of independent migration of ions.
3. What is the role of graphite rod in the electrometallurgy of
Aluminium?
4. NO is paramagnetic in gaseous state but diamagnetic in liquid
and solid states.Why?
5. Why Conc . H2SO4 or P4O10 can not be used to dry NH3? Which
compound isused for drying NH3?
6. Calculate the 'Spin only' magnetic moment of Fe+2 (aq.)
ion.7. What are 'artificial sweetening agents'? Give an
example.
8. What are 'antibiotics'? Give an example.
9. What is 'Carbyl amine reaction?' Write equation.
10. Distinguish between Primary and Secondary amines.SECTION -
B
II. (i) Short Answer Type questions.(ii) Answer any SIX
questions.(iii) Each question carries FOUR Marks. 6 4 = 24
11. Explain the terms a) Schottky defect b) Frenkel defect c) p
- type semi conductor and d) Crystal Lattice
12. What is an 'ideal solution'? Vapour pressure of water at 293
K is 17.535 mm Hg.Calculate the vapour pressure of the solution at
293 K when 25 g of glucose isdissolved in 450 g of water.
13. Write any 4 differences between physical adsorption and
chemical adsorption.
www.eenadupratibha.net
www.eenadupratibha.netR-21-2-15
www.e
enadu
pratib
ha.netwww
.eenadup
ratibh
a.net
14. Explain 'Froth flotation process'. What is the role of
depressant in this process?
15. Give the geometrical shapes of possible isomers of the
following complexspecies:
i) [Co (NH3)4 Cl2]+ ii) [CoCl2 (en)2]iii) [Ni(CO4)] iv) [Pt
Cl4]2
16. a. What is PHBV? How is it useful to man?
b. Write the names of monomers present in
i) Nylon 2 Nylon 6 ii) Terylene17. Give the sources of the
following vitamins and name the diseases caused by their
deficiency a) A b) E c) K d) D.18. Explain SN2 reaction with
suitable example.
SECTION - C
III. (i) Long Answer Type questions. (ii) Answer any TWO
questions.(iii) Each question carries EIGHT Marks. 2 8 = 16
19. a. How does Chlorine reacts with
i) Hot, Conc . NaOH ii) Excess of NH3iii) H2S iv) moist
iodine
b. Explain the preparation and the structures of
i) XeF6 ii) XeOF420. a. Define 'order' and 'molecularity'.
Give one example each of 0, 1, 2 order, pseudo first order
reactions.
b. State and explain Faraday's laws of electrolysis.
21. a. Explain the acidic nature of phenols and compare it with
that of alcohols.
b. Explain: i) Decarboxylation and ii) Cannizaro reaction
www.eenadupratibha.net
www.eenadupratibha.net
