Course Title: 
Engineering Chemistry - B
Course Code: 
Year Taught: 
Undergraduate (UG)
School of Engineering

'Engineering Chemistry - B' is a course offered in the first and second semesters of  B. Tech. programs at the School of Engineering, Amrita Vishwa Vidyapeetham.

Course Objective

The main objective of the course is to impart knowledge on the fundamental concepts of chemistry involved in application of several important engineering materials that are used in the industry/day-to-day life.

Course Outcomes

The student at the end of the course will

CO1 understand the fundamental concepts of chemistry to predict the structure, properties and bonding of engineering materials
CO2 understand the principle of electrochemistry/photochemistry and applications of various energy storage systems
CO3 able to identify the correct materials, design and operation conditions to reduce the likelihood of corrosion in new equipments and engineering operations
CO4 be able to understand the fundamental problems and explain operation maintenance procedures of equipment used in water treatment

Course Articulation Matrix

  PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO 12
CO1 3 3 2 2               2
CO2 3 3 2 2               2
CO 3 3 3 3 3               2
CO4 3 3 2 3               2

Program Articulation Matrix

  PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO 12
CO1 3 3 2 2               2
CO2 3 3 2 2               2
CO 3 3 3 3 3               2
CO4 3 3 2 3               2

Unit I : Atomic Structure and Chemical Bonding (6 hours)

Fundamental particles of atom – their mass, charge and location – atomic number and mass number – Schrödinger equation. Significance of ψ and ψ2 – orbital concept – quantum numbers - electronic configuration. Periodic properties. Formation of cation and anion by electronic concept of oxidation and reduction – theories on bonding- octet, Sidwick and Powell, VSEPR and VBT-MOT. Formation of electrovalent, covalent and coordination compounds. Chemistry of weak interactions – van der Waals force and hydrogen bonding.

Unit II : Electrochemical Energy System (8 hours)

Faradays laws, origin of potential, electrochemical series, reference electrodes, Nernst equation, introduction to batteries – classification – primary, secondary and reserve (thermal) batteries. Characteristics – cell potential, current, capacity and storage density, energy efficiency. Construction, working and application of Leclanche cell-Duracell, Li-MnO2 cell, lead acid batteries. Ni-Cd battery, Lithium ion batteries. Fuel cell - construction and working of PEMFC.

Unit III : Photochemistry and Solar Energy (8 hours)

Electromagnetic radiation. Photochemical and thermal reactions. Laws of photochemistry, quantum yield, high and low quantum yield reactions. Jablonski diagram – photo-physical and photochemical processes, photosensitization, photo-polymerization and commercial application of photochemistry.

Solar energy - introduction, utilization and conversion, photovoltaic cells – design, construction and working, panels and arrays. Advantages and disadvantages of PV cells. DSSC (elementary treatment).

Unit IV : Solid State Chemistry (8 hours)

Crystalline and amorphous solids, isotropy and anisotropy, elements of symmetry in crystal systems indices - Miller indices, space lattice and unit cell, Bravais lattices, the seven crystal systems and their Bravais lattices, X-ray diffraction - Bragg’s equation and experimental methods (powder method and rotating crystal technique), types of crystals - molecular, covalent, metallic and ionic crystals - close packing of spheres – hexagonal, cubic and body centered cubic packing, defects in crystals – stoichiometric, non-stoichiometric, extrinsic and intrinsic defects.

Unit V : Polymer and Composite Materials for Electronics (8 hours)

Conducting polymers: Conducting mechanisms - Electron transport and bipolar polymers. Photoconductive polymers: Charge carriers, charge injectors, charge transport, charge trapping. Polymers for optical data storage - principles of optical storage, polymers in recording layer. Thermo-sensitive polymers: Applications - Mechanical actuators and switches. Photo resists - Types - Chemically amplified photoresists -Applications. Magnetic polymers - structure and applications. Liquid crystalline polymers: Fundamentals and process, liquid crystalline displays – applications. Organic LEDs-their functioning-advantages and disadvantages over conventional LEDs - their commercial uses. Piezo electric materials.

Evaluation Pattern:

Assessment Internal External
Periodical 1 (P1) 15  
Periodical 2 (P2) 15  
*Continuous Assessment (CA) 20  
End Semester   50

*CA – Can be Quizzes, Assignment, Projects, and Reports.

Text Books:

  1. Vairam and Ramesh“Engineering Chemistry”, Wiley, 2012
  2. Amrita Vishwa Vidyapeetham, Department of sciences, “Chemistry Fundamentals for Engineers”, McGraw Hill Education, 2015.

Reference Books:

  1. Jain and Jain, “Engineering Chemistry”, Dhanpat Rai Publishing company, 2015
  2. Puri, Sharma and Patania, “Principles of Physical chemistry”, Vishal Publishing Co., 2017.
  3. Atkins, “Physical Chemistry”, OUP, Oxford, 2009.