Engineering Chemistry I

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