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Course Detail

Course Name Engineering Chemistry – A
Course Code 19CHY101
Program B. Tech. in Aerospace Engineering, B. Tech. in Chemical Engineering, B. Tech. in Mechanical Engineering
Semester 1 , 2
Year Taught 2019
Degree Undergraduate (UG)
School School of Engineering
Campus Bengaluru , Chennai , Coimbatore, Amritapuri

Objectives & Outcomes

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
CO3 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
CO3 3 3 3 3 2
CO4 3 3 2 3 2


Unit 1 : 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, Sidgwick 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 : Corrosion control and metal finishing (8 hours)

Introduction, causes and different types of corrosion and effects of corrosion, theories of corrosion – chemical corrosion, Pilling  Bed-worth ratio, electrochemical corrosion and its mechanism, factors affecting corrosion –galvanic series. Corrosion control methods – cathodic protection, sacrificial anode, impressed current cathode. Surface coatings – galvanizing, tinning, electroplating of Ni and Cr, organic surface coatings – paints, constituents and functions. Anodising and electroplating of aluminium.

UNIT V : Water Technology (6 hours)

Hardness of water – types – expression of hardness – units – estimation of hardness of water by EDTA. Numerical problems – boiler troubles (scale and sludge). Treatment of boiler feed water – Internal treatment (phosphate, colloidal, sodium aluminate and calgon conditioning).External treatment – Reverse Osmosis, ion exchange process.

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.

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