INTERMEDIATE-IIYEAR CHEMISTRY
Model Paper-2
Time-3hours Maximum marks:60
SECTION_A
NOTE: Answer all questions. (10x2=20M)
1.What are Frenkel and Schottky defects in crystalline solids ?
2.. What is van’tHoff factor ‘i’ and how it is related to α in the case of a binary
electrolyte(1:1).?
3. How is Gibbs free energy related to the emf of the cell mathematically?
4. Calculate the ‘spin only’ magnetic moment of ( )
5.What is the role of depressant in froth floatation process?
6.Explain Ferromagnetism with suitable examples.
7.What is condensation polymer? Give example
8.Write the names and structures of monomers of the following polymers?
i) Bakelite and ii) Nylon- 6,6.
9..How is Ethane converted in to bromo ethane ?
10.What are ambident nucleophiles? Give an example.
Fe ion .
2+
aq
SECTION-B
NOTE: Answer any Six of the following (6x4m=24marks)
11. What is relative lowering of vapour pressure?
Calculate the mass of a non-volatile solute (molar mass 40g ) which should be
dissolved in 114gm octane to reduce its vapour pressure to 80%.
12. Compare and contrast the phenomenon of physisorption and chemisorption.
13. Giving examples to differentiate roasting and calcination.
14. Explain the structure of a) XeF2
15. What is lanthanoid contraction? What are the consequences of lanthanoid
and b) XeF4
16. Give the sources of the following vitamins and name the diseases caused by
their deficiency
a) A b) D c) E and d) K
17. What are antacids and antihistamines? Give example.
18. Explain (a) Hoffmann bromamide degradation reaction and (b)
Gattermann reaction
SECTION-C
NOTE: Answer any Two of the following questions. (8x2=16M)
19.a) State and explain Nernst equation with the help of a metallic electrode .
b) What is ‘molecularity’ of a reaction? How is it different from the ‘order’ of
a reaction? Name one bimolecular and one tri molecular gaseous reactions
20. a) How does 2
) ) ) )
i Na SO ii Cl iii Fe ions iv KMnO +
2 2 3 4
SO reacts with the following. Give equations
3
b) Write balanced equations for the following?
a) NaCl is heated with conc. H SO2 4 in the presence of MnO2
b) Chlorine is passed into a solution of NaI in water.
21. a) Give the equations for the preparation of phenol from
a) Cumune and b) Benzene, conc. H SO2 4 and NaOH
b) Complete each synthesis by giving missing starting material, reagent or
i. Ii.
iii. iv.
Model Paper-2
Time-3hours Maximum marks:60
SECTION_A
NOTE: Answer all questions. (10x2=20M)
1.What are Frenkel and Schottky defects in crystalline solids ?
2.. What is van’tHoff factor ‘i’ and how it is related to α in the case of a binary
electrolyte(1:1).?
3. How is Gibbs free energy related to the emf of the cell mathematically?
4. Calculate the ‘spin only’ magnetic moment of ( )
5.What is the role of depressant in froth floatation process?
6.Explain Ferromagnetism with suitable examples.
7.What is condensation polymer? Give example
8.Write the names and structures of monomers of the following polymers?
i) Bakelite and ii) Nylon- 6,6.
9..How is Ethane converted in to bromo ethane ?
10.What are ambident nucleophiles? Give an example.
Fe ion .
2+
aq
SECTION-B
NOTE: Answer any Six of the following (6x4m=24marks)
11. What is relative lowering of vapour pressure?
Calculate the mass of a non-volatile solute (molar mass 40g ) which should be
dissolved in 114gm octane to reduce its vapour pressure to 80%.
12. Compare and contrast the phenomenon of physisorption and chemisorption.
13. Giving examples to differentiate roasting and calcination.
14. Explain the structure of a) XeF2
15. What is lanthanoid contraction? What are the consequences of lanthanoid
and b) XeF4
16. Give the sources of the following vitamins and name the diseases caused by
their deficiency
a) A b) D c) E and d) K
17. What are antacids and antihistamines? Give example.
18. Explain (a) Hoffmann bromamide degradation reaction and (b)
Gattermann reaction
SECTION-C
NOTE: Answer any Two of the following questions. (8x2=16M)
19.a) State and explain Nernst equation with the help of a metallic electrode .
b) What is ‘molecularity’ of a reaction? How is it different from the ‘order’ of
a reaction? Name one bimolecular and one tri molecular gaseous reactions
20. a) How does 2
) ) ) )
i Na SO ii Cl iii Fe ions iv KMnO +
2 2 3 4
SO reacts with the following. Give equations
3
b) Write balanced equations for the following?
a) NaCl is heated with conc. H SO2 4 in the presence of MnO2
b) Chlorine is passed into a solution of NaI in water.
21. a) Give the equations for the preparation of phenol from
a) Cumune and b) Benzene, conc. H SO2 4 and NaOH
b) Complete each synthesis by giving missing starting material, reagent or
i. Ii.
iii. iv.
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