--- Content provided by FirstRanker.com ---Note: Answer all questions of Part - A and answer any five questions from Part-B.
PART ? A (25 Marks)
1 Give success and limitations of I law and II law of thermodynamics.
(
3
2 Explain why entropy change is zero for reversible process and entropy change is
positive for irreversible process for the same state change.
(
3
3 Differentiate between primary and secondary battery.
(
3
)
?
.
(
3
5 Explain the formation of anodic areas on the surface of metallic materials through
differential aeration and contact with different metals with reactions.
(
3
6 Explain break point chlorination with the help of graph. (2)
7 Write the chemical equation for preparation of Bakelite. (2)
8 What is conducting polymer? Give two examples. (2)
9 Give the relationship between Higher calorific value (HCV) and Lower calorific value
10 Explain Octane rating. (2)
PART ? B (50 Marks)
11 (a) Derive and compare isothermal reversible work expression with adiabatic
reversible work expression.
6
)
(b) A reversible carnot cycle does work equivalent to 150 K J per cycle if heat supplied
by cycle is 225 kJ at 227
C per cycle calculate
(i) the temperature at which heat is rejected (ii) thermal efficiency of engine (4)
12 (a) What are fuel cells? Explain' with an example and give their advantages.
(
)
(b) What are different types of electrodes ? Explain with their electrode reaction and
electrode potential equation.
(
)
13 (a) Discuss the factors affecting the rate of corrosion. (6)
(b) Describe electroplating of Nickel. (4)
14 (a) Give the differences between thermosets and thermoplastics.
5
)
(b) Give the structure of monomer of natural rubber and discuss the vulcanization of
rubber and properties of vulcanized rubber.
5
)
15 (a) Give requirements of a good fuel.
(
)
(b) Discuss the determination of calorific value of fuels by Bomb calorimeter with neat
diagram and corrections.
(
)
16 (a) Explain determination of temporary and permanent hardness of water of EDTA
method.
(
)
(b) Derive Calusius-Clapeyron equation for liquid vapour equilibrium and discuss its
applications.
(
)
17 (a) Discuss principle and method of potentiomentric acid-base titrations. (6)
(b) Give construction, and working of dry cell. (4)
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PART ? A (25 Marks)
1 Give success and limitations of I law and II law of thermodynamics.
(
3
--- Content provided by FirstRanker.com ---
)2 Explain why entropy change is zero for reversible process and entropy change is
positive for irreversible process for the same state change.
(
3
--- Content provided by FirstRanker.com ---
)3 Differentiate between primary and secondary battery.
(
3
)
--- Content provided by FirstRanker.com ---
4 Derive Nernst equation using equation relating AG and AG?
.
(
3
--- Content provided by FirstRanker.com ---
)5 Explain the formation of anodic areas on the surface of metallic materials through
differential aeration and contact with different metals with reactions.
(
3
--- Content provided by FirstRanker.com ---
)6 Explain break point chlorination with the help of graph. (2)
7 Write the chemical equation for preparation of Bakelite. (2)
8 What is conducting polymer? Give two examples. (2)
9 Give the relationship between Higher calorific value (HCV) and Lower calorific value
--- Content provided by FirstRanker.com ---
(LCV). (2)10 Explain Octane rating. (2)
PART ? B (50 Marks)
11 (a) Derive and compare isothermal reversible work expression with adiabatic
reversible work expression.
--- Content provided by FirstRanker.com ---
(6
)
(b) A reversible carnot cycle does work equivalent to 150 K J per cycle if heat supplied
by cycle is 225 kJ at 227
--- Content provided by FirstRanker.com ---
?C per cycle calculate
(i) the temperature at which heat is rejected (ii) thermal efficiency of engine (4)
12 (a) What are fuel cells? Explain' with an example and give their advantages.
(
--- Content provided by FirstRanker.com ---
5)
(b) What are different types of electrodes ? Explain with their electrode reaction and
electrode potential equation.
(
--- Content provided by FirstRanker.com ---
5)
13 (a) Discuss the factors affecting the rate of corrosion. (6)
(b) Describe electroplating of Nickel. (4)
14 (a) Give the differences between thermosets and thermoplastics.
--- Content provided by FirstRanker.com ---
(5
)
(b) Give the structure of monomer of natural rubber and discuss the vulcanization of
rubber and properties of vulcanized rubber.
--- Content provided by FirstRanker.com ---
(5
)
15 (a) Give requirements of a good fuel.
(
--- Content provided by FirstRanker.com ---
3)
(b) Discuss the determination of calorific value of fuels by Bomb calorimeter with neat
diagram and corrections.
(
--- Content provided by FirstRanker.com ---
7)
16 (a) Explain determination of temporary and permanent hardness of water of EDTA
method.
(
--- Content provided by FirstRanker.com ---
5)
(b) Derive Calusius-Clapeyron equation for liquid vapour equilibrium and discuss its
applications.
(
--- Content provided by FirstRanker.com ---
5)
17 (a) Discuss principle and method of potentiomentric acid-base titrations. (6)
(b) Give construction, and working of dry cell. (4)
FirstRanker.com - FirstRanker's Choice
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