www.tndte.com Directorate of Technical Education : Engineering Chemistry Syllabus

[MariPriya]

ENGINEERING CHEMISTRY
FIRST SEMESTER
UNIT – I
Molecular Mass, Equivalent Mass, Acids and Bases
and Chemical Bonding
1.1 MOLECULAR MASS 4 Hrs
Molecule- Molecular formula- Molecular Mass- Mole- Definition-Simple
calculations- Avogadro's Hypothesis- Application- Relationship between
Molecular Mass and Vapour Density. Gram Molecular Volume-
Definition- Avogadro's Number-Definition- Simple Problems.

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1.2 EQUIVALENT MASS 2 Hrs
Equivalent Mass & Gram Equivalent Mass- Definition- Determination of
Equivalent Mass by Oxide Method (Direct Method)- Simple Problems.
1.3 ACIDS AND BASES 5 Hrs
Theories of Acids and bases-Arrhenius Theory - Lowry- Bronsted Theory
- Lewis theory - Advantages of Lewis theory. Definition of pH & pOH.
Numerical problems – Indicators - Definition –Acid-Base concept of
Indicators (Basic ideas) - Buffer solution- definition-types and examples.
Application of pH in industries- Electronic Concept of Oxidation and
Reduction- Definition- Example.
1.4 CHEMICAL BONDING 3 Hrs
Definition-Ionic bonding-Formation of NaCl - Covalent bondingformation
of NH – Coordinate bonding- formation of NH + ion - Metallic 3 4
bonding - Electron sea model.
UNIT-II
SOLUTION, TECHNOLOGY OF WATER AND SOLID
STATE
2.1 SOLUTION 4 Hrs
Definition- Methods of Expressing Concentration of a Solution: Molarity,
Molality, Normality, Mole fraction, Percentage, Mass- Simple Problems.
2.2 TECHNOLOGY OF WATER 7 Hrs
Sources-depletion of underground water-reasons-rainwater harvesting.
iv
(Basic ideas)-advantages-hard and soft water-carbonate, non -
carbonate hardness-methods of expressing hardness-mg/lit, ppmsimple
problems-Estimation of total hardness by EDTA methodproblems
involving total, carbonate, non-carbonate hardness in ppmsoftening
of hard water ion- Exchange method, Reverse Osmosis
method -standards of drinking water-Municipal water supply-purification
(sedimentation, filtration and sterilization)-Disadvantages of hard water
in boilers -Scale formation, Corrosion of boiler metal, Caustic
Embrittlement - Priming and Foaming.
2.3 SOLID STATE 3 Hrs
Structure of Solids- Definition and examples for ionic, Molecular,
Covalent and Metallic solids- Unit cell- bcc, fcc and hcp packing of metals
–examples and properties reflected by the packing of atoms. (no
numerical problems)
UNIT III
COLLOIDS, NANO PARTICLES AND PHOTO
CHEMISTRY
3.1 COLLOIDS 5Hrs
Definition- sols-True solution and Colloidal solution- differences-Types-
Lyophilic & Lyophobic sols- Differences.- Properties- Tyndall effect,
Brownian movement, Electrophoresis, Coagulation – Industrial
applications- Smoke Precipitation - Cottrell's method, Purification of
water, Cleaning action of soap, tanning of leather and sewage disposal
3.2 NANO PARTICLES 2Hrs
Definition- Area of application - Medicine, Electronics and biomaterials.
3.3 PHOTOCHEMISTRY 7Hrs
Introduction-Important terms- charge transfer, electronic energy
migration, emission, Excited state, Frequency, Ground state,
Fluorescence, Phosphorescence, Chemiluminescence - photo electric
cell- photo emission cell- photo synthesis-general chemical reactionschlorophyll
and accessory pigents - Mechanism of light reactions-Dark
reaction-photosynthesis and acid rain.
v
UNIT - IV
ELECTRO CHEMISTRY, CELL AND BATTERIES
4.1 ELECTRO CHEMISTRY 5Hrs
Electrolytes- Strong and weak electrolytes-Definition- examples.
Electrolysis- Definition- Mechanism- Industrial applications of
electrolysis –electro-plating -Preparation of surface- factors affecting the
stability of the coating - Chrome plating - electro less plating.- Definitionadvantages
over electroplating- applications.
4.2 CELL 4Hrs
Electro chemical cell- Single electrode potential- Galvanic cell-
Formation - Daniel cell. Electrochemical series- Concentration Cell.
4.3 STORAGE BATTERIES 5Hrs
Primary, Secondary and fuel batteries. Primary battery -definition and
example - Dry cell- construction and working. Secondary battery –
definition- example- Lead acid storage cell -construction and working.
Nickel/Cadmium battery – construction and working. Fuel cell- definition
example H2/O2 fuel cell [green fuel cell] - solar cells.

UNIT V
CORROSION ENGINEERING
5.1 CORROSION 4 Hrs
Definition- types - Theories of corrosion- Galvanic cell Formation theory-
Differential aeration theory. - Factors influencing rate of corrosion.
5.2 METHODS OF PREVENTION OF CORROSION 5 Hrs
Control of Environment, Alloying, Surface coating- Metal coating-
Electroplating, Galvanization and Tinning- Inorganic coating- Anodizing
and Phosphating- Cathodic protection Sacrificial anode and Impressed
voltage methods.
5.2 ORGANIC COATING 5 Hrs
Paints-definition- components of paints and their functions- Varnish-
Definition-types-Preparation of oil varnish-Difference between paint &
varnish-Special paints- Luminescent, heat resistant, fire retardant, Antifouling
paints - cement paint, aluminium paint & distemper. Dyes-Acid
dyes-basic dyes -Mordant dyes -Definition only (No equations)

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