Engineering Chemistry
Unit I
Atomic and Molecular Structure:
- Atomic and molecular orbitals,
- Linear Combination of Atomic Orbitals (LCAO)
- Molecular orbitals of homo-nuclear diatomic molecules
- MO energy diagrams of N2, and O2
- Metallic bonding
- Valence Bond Theory
- Crystal Field Theory
- Crystal Field Splitting of transition metal ion d-orbitals in tetrahedral
- octahedral, and square planar geometries.
Unit II
Spectroscopic Techniques and Applications:
- Regions of electromagnetic spectrum
- Molecular spectroscopy
Rotational Spectroscopy:
- Rotation of molecules
- rotational spectra of rigid diatomic molecules
- selection rules
Vibrational Spectroscopy:
- The vibrating diatomic molecule
- simple and an harmonic oscillators of a diatomic molecule
- selection rules
- applications of IR spectroscopy.
NMR Spectroscopy:
- criteria for NMR activity (Magnetic and nonmagnetic nuclei)
- basic concepts and principle of 1H NMR spectroscopy
- Chemical shift
- Magnetic Resonance Imaging.
Unit III
Electrochemistry and Corrosion:
Electrochemistry:
- Electrode potential
types of electrodes:
- calomel and glass electrodes construction and working
- electrochemical series and applications
electrochemical cells:
- Galvanic & electrolytic cells
- Nernst equation- applications
- numerical problems
Batteries
- primary and secondary types
- lithium metal
- lithium ion and lead acid batteries
Types of Fuel cells:
- hydrogen- oxygen fuel cell
- applications and advantages
- microbial fuel cell
Corrosion:
- Definition
- causes and effects of corrosion,
- The opries of chemical and electro chemical corrosion with mechanism
Types of corrosion -
- Galvanic, concentration cell and pitting corrosions
- factors affecting corrosion (Nature of metal & Nature of Environment)
corrosion control methods:
- Proper designing,
- cathodic protection (sacrificial anodic and impressed current cathodic protection)
Metallic coatings:
- Hot dipping- Galvanization and tinning
- electroplating
- electroless plating of nickel.
Unit IV
Engineering Materials and Water Technology:
Semiconductors:
- Si and Ge, preparation
- purification and crystal growth by zone refining and Czachorowski pulling methods
- doping
- Polymeric Materials
- plastics-classification
- types of polymerizations
- properties of polymers crystallinity
- Compounding and fabrication by compression Moulding and injection Moulding
conducting polymers
- definition
- classification
- applications of conducting polymers in mobile phones and displays
Water
- impurities
- hardness-causes of hardness
- types, Units
- Total Dissolved Solids (TDS)
- Boiler troubles-scales and sludges
- caustic embrittlement
- water purification by reverse osmosis (RO)method.
Unit V
Stereochemistry and Energy Resources
Stereo chemistry:
- Representations of 3D structures for organic molecules
stereo isomers:
- Conformational and Configurational isomers.
Conformational isomers:
- conformational analysis of n-butane.
Configurational isomers:
- geometrical isomers (E, Z isomers) and optical isomers.
Optical isomers:
- symmetry,
- chirality,
- enantiomers,
- diastereomers,
- optical activity.
- Structure, synthesis and pharmaceutical applications of aspirin and ibuprofen.
Energy sources:
- Fossil Fuels: Coal –types, analysis of coal- proximate and ultimate analysis and their significance, Petroleum-its composition-synthetic petrol – Fischer Tropsch’s process,
- cracking - Definition and its significance, knocking and its mechanism in Internal Combustion engine, Octane rating
- Composition and Uses of Natural gas
- LPG and CNG
- biodiesel synthesis
- biogas.
**All Units Notes pdf's**
👉👉 Gr_20_ec_pdf {SUGGESTED }
Unit- 1
👉👉👉 unit1_pdf
Unit- 2 👇
unit_2_pdf
Spectroscopy_pdf
IR_pdf
Unit- 3 👇
unit_3_pdf
Unit- 4 👇
unit_4_pdf
As I shared here what notes I have of chemistry, all these are my handwritten notes,
It is not sufficient for exam.
as I suggest you download all notes pdf which i shared above starting one.
Previous Papers: 👉👉 CLICK HERE
