7/21/2019 14.Sr_Chem.pdf

1/2

w w w. e

e n a d u p r

a t i b

h a. n e t

w w w.

e e n a

d u p r a t

i b h a

. n e t

BOARD OF INTERMEDIATE EDUCATION

Sr. INTER CHEMISTRY

MODEL PAPER - II (English Medium)TIME: 3 HOURS Max. Marks: 60

SECTION - AI. i) Very short answer type questions.

ii) Answer ALL the questions.

iii) Each question carries TWO marks. 10 2 = 20

1. Write the names and structures of the monomers of the following polymers?

a) Nylon 6, 6 b) Bakelite

2. How is change in Gibbs energy (DG) related to the emf (E) of a galvanic cell?

3. What is the role of cryolite in the extraction of aluminium?

4. What are "Thermosetting polymers" and "Thermoplastic polymers"?

5. What are "food preservatives"? Give two examples.

6. What are "antibiotics"? Give two examples.

7. A solution of glucose in water is labelled as 10%w w . What would be the

molarity of the solution?

8. Using IUPAC norms write systematic names of the following

i) [Co (NH 3)6] C l3 and ii) [Pt (NH 3)2 C l (NH 2 CH 3)] C l

9. Haloalkanes react with KCN to form alkyl cyanides as main product whileAgCN forms isocyanides as the chief product. Explain.

10. Write the isomers of the compound having molecular formula C 4H9 Br.

SECTION - BII. 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. What is catalysis? What are the types of catalysis? Give one example for eachtype.

www.eenadupratibha.net

www.eenadupratibha.net

7/21/2019 14.Sr_Chem.pdf

2/2

w w w. e

e n a d u p r

a t i b

h a. n e t

w w w.

e e n a

d u p r a t

i b h a

. n e t

13. Explain briefly the extraction of zinc from zinc blende.

14. Explain Werner's theory of coordination compounds with suitable examples.

15. State Raoult's law. Calculate the vapour pressure of a solution containing 9 g.of glucose in 162 g. of water at 293 K. The vapour pressure of water at 293 Kis 17.535 mm Hg.

16. Write the steps involved in the coupling of Benzene diazonium chloride withaniline and phenol?

17. Give the sources of the following vitamins and name the diseases caused bytheir deficiency.

a) A b) D c) E and d) K

18. How is ammonia manufactured by Haber's process?

SECTION - CIII. i) Long answer type questions.

ii) Answer any TWO questions.

iii) Each question carries EIGHT marks. 2 8 = 16

19. a) How is ozone prepared? How does ozone react with

i) PbS ii) moist KI iii) Hg and iv) Ag. Give equationsb) How is chlorine prepared in the laboratory?

How does it reacts with the following?

i) Iodine ii) H 2 S and iii) Na 2 S2 O320. Give a detailed account of the collision theory of reaction rates of bimolecular

gaseous reactions.

21. a) Explain the acidic nature of phenols and compare it with that of alcohols.b) Explain

i) Hell- Volhard - Zelinsky reaction and

ii) Aldol condensation.

www.eenadupratibha.net

www.eenadupratibha.net