Here is a
NOTES on Engineering Chemistry from SIET, Tumkur by Dr. Chandrashekhar, Mrs.
Sujhatha and Mrs. Swetha Rao. This NOTES is very useful for the first year
students of all Branches. The notes have been prepared to keep students in
mind. This is one of the major subjects of 1st year to score. The
Topics covered inside this material are
Electrode Potential and Cells
-Differentiation
between
galvanic
and
electrolytic
cells,
-Construction of galvanic cell,
-EMF of a cell , Origin of single electrode
potential,
-Sign
convention and cell
notation, Standard electrode potential,
-Derivation
of Nernst equation
for single electrode potential.
-Types of electrodes: Reference electrodes – Primary and secondary ,
-Limitations of standard hydrogen electrode,
-Construction and working of
calomel electrode and Ag – AgCl electrode,
-Measurement of single
electrode potential,
-Numerical
problems on electrode
potential and EMF
of a
cell,
-Ion
selective electrode: Glass electrode
–
Construction
,
-Determination of pH of a solution
using glass electrode.
Batteries and Fuel Cells
-Basic concepts,
Battery characteristics, primary, secondary, reserve batteries and super capacitors with examples.
-Classical
batteries: Construction, working
and applications of Zn – MnO2 battery,
-Lead acid storage
battery and Ni – Cd battery.
-Modern batteries: Construction and working and applications of Zn – air,
-Ni – metal
hydride and Li – MnO2 batteries
-Fuel cells – Differences between battery
and fuel cell,
-Construction
and working of H2 – O2 and CH3OH– O2 fuel cells
Corrosion and its control
-Electrochemical theory of corrosion,
-Galvanic series, Types of corrosion- Differential metal
corrosion,
-Differential aeration corrosion(Pitting and water line corrosion) ,
-Stress corrosion (caustic embrittlement in boilers), Factors affecting the rate of corrosion.
-Corrosion control: Inorganic coatings – Anodizing and phosphating,
-Organic
coating – painting,
-Metal coatings
– Galvanizing and Tinning,
Corrosion inhibitors, Cathodic
protection.
Metal Finishing
-Technological
importance,
-Theory
of electroplating, Significance of
Polarization,
-Decomposition potential and Overvoltage in electroplating.
-Effect of plating variables on the nature of electrodeposits.
-Electroplating
process, Electroplating of Copper and Chromium.
-Distinction between electroplating and
electrolessplating,
Electolessplating of copper and nickel.
Chemical fuels and Photovoltaic cells
-Introduction, Classification of chemical fuels,
-Calorific
value – High and
Low calorific values,
-Determination of calorific value –solid or liquid fuel using Bomb calorimeter,
-Gaseous fuel
using
Buoy’s calorimeter, Numerical problems.
-Petroleum
–
Cracking by
fluidized catalytic cracking process,
-Reformation of petrol, Octane
and
Cetane
numbers.
-Knocking – mechanism and harmful effects.
-Antiknocking agents – TEL, Catalytic converters – Principle and working,
-Unleaded
petrol, Power alcohol
and Biodiesel.
-Photovoltaic cells – Production
of solar grade silicon,
Doping of silicon,
-Construction
and working of photovoltaic cell, Advantages.
The Phase rule and Instrumental methods of analysis
-Statement
of Gibb’s phase
rule and explanation of the terms involved,
-Phase diagram of one component system – water system,
Condensed phase rule ,
-Phase diagram of two component system- Eutectic Pb – Ag
system and Fe – C system.
-Application – Desilverization of lead.
-Instrumental
methods of analysis- Theory ,
-Instrumentation
and
applications of Colorimetry, Potentiometry ,
-Conductometry and Flame photometry.
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