ANNA UNIVERSITY 1ST SEM CY6151 CHEMISTRY-1 IMPORTANT QUESTIONS - REGULATION 2013

Subject Code : CY6151
Subject Type : ENGINEERING CHEMISTRY 1
Content : CHEMISTRY QUESTION BANK
Regulation : 2013
Semester : First Semester
Department : ECE EEE MECH EIE CIVIL IT CSE etc..except marine department


UNIT-I POLYMER CHEMISTRY
1. Write in brief on classification of polymers
2. Write in detail on epoxy resin
3. Explain bulk polymerization technique
4. Discus cationic polymerisation mechanism
5. Compare thermoplastics with thermosetting plastics
6. Discuss free radical polymerization mechanism
7. Write any three properties of nylon 6,6
8. Write in detail on epoxy resin

UNIT-2 CHEMICAL THERMODYNAMICS
1. Drive an expression for the entropy change of an ideal gas.
2. Explain clausius inequality.
3. Drive any two Maxwell relations.
4. Compare reversible process with irreversible process.
5. Drive an expression for the entropy change for on irreversible process.
6. Write the expression of work function.
7. Drive vont Hoff isotherm.
8. Discuss the criteria of spontaneity.

UNIT-3 PHOTOCHEMISTRY AND SPECTROSCOPY
1. State and explain Stark-Einstein Law.
2. Compare fluorescence with Phosphorescence.
3. Explain the Block Diagram of IR spectrometer.
4. Write down the various Electronic Transitions.
5. Explain Chemiluminescence with example.
6. Derive Beers law.
7. How will you determine the quantum efficiency?
8. Explain Photosensitisation.
9. Calculate the IR active bands for H2O, C2H4, HCl.

UNIT-4 PHASE RULE & ALLOYS
1. State phase rule and explain the terms.
2. Discuss any three heat treatment of steel.
3. What is Nichrome mention its uses.
4. Discuss Pb-Ag system.
5. Discuss Water system in detail.
6. Describe Zn-Mg System.
7. Write in brief on Stainless steel.
8. Write in brief on bronze.

UNIT-5 NANO-CHEMISTRY
1. Explain size dependent properties.
2. Describe hydrothermal method of nano-material Synthesis.
3. Explain precipitation chemical vapour deposition methods of nanomaterial synthesis.
4. Write an explanatory note on nano-cluster, nano-rod & nono-tube.
5. Write the salient properties of nano-materials.
6. Explain Laser- Ablation Method.
7. Write any four applications of nano-materials.

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All First semester study materials --> Click Here

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These questions are common for all departments under Anna university Chennai except marine engineering.These are only chemistry-1 important questions and these question may or may not come in examination.So give more importance to these questions and study all other questions and answers.

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ENGINEERING CHEMISTRY I

IMPORTANT PART B QUESTIONS

UNIT 1 POLYMER CHEMISTRY 

1. Distinguish between thermoplastics and thermosets
2. Distinguish between addition and condensation polymerisation
3. Free radical & ionic mechanism

4. Tg, tacticity , molecular mass, functionality of polymers
5. Various techniques of Polymerisation
6. Preparation properties & uses of Nylon & Epoxy resins

UNIT 2 CHEMICAL THERMODYNAMICS

Derive

1. Entropy change in isothermal expansion
& significance of G & A
2. Relation between ^G and ^H give significance & apps
3. Maxwells relations
4. Clausius clapeyron equation & its apps
5. Vant hoff isotherm & equation

UNIT 3 PHOTOCHEMISTRY & SPECTROSCOPY

1. Beer lamberts law (stmt, apps & limitations)

2. Photochemical decomposition of HI , HBr
3. Jablonski diagram
4. Chemiluminescence
5. UV Spectroscopy
6. IR Spectroscopy

UNIT 4 PHASE RULE & ALLOYS

1. Phase rule & terms involved in it

2. Water system
3. Pb-Ag system
4. Zn-Mg system
5. Heat treatment on alloys
6. Nichrome, stainless steel,brass, bronze

UNIT 5 NANOCHEMISTRY

1. Methods of preparation of nanoparticles

2. Apps of nanochemistry
3. Precipitation & thermolysis
4. Hydrothermal, electrodeposition, CVD, LASER Ablation techniques
5. Size dependent properties
6.CNT

Credits : Edson Frainler 

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