ENGINEERING CHEMISTRY (21CHE12/22)

ENGINEERING CHEMISTRY

Course Code: 21CHE12/22
CIE Marks: 50
Teaching Hours/Week (L:T:P: S): 2:2:0
SEE Marks 50
Total Hours of Pedagogy: 40
Total Marks: 100
Credits: 03
Exam Hours: 3Hour

Course Objectives: The course will enable the students to

CLO1: Impart the basic knowledge of chemistry and its principles involved in electrochemistry, energy storage devices and its commercial applications.
CLO2: Understand the basic principles of corrosion and its prevention, metal finishing and its technological importance
CLO3: Master the knowledge of synthesis, properties and utilization of engineering materials like polymers & Nano materials.
CLO4: Apply the knowledge of Green Chemistry principles for production of chemical compounds. understanding the concepts of alternative energy sources.
CLO5: Understand the basic concepts of water chemistry & theory, basic principle and applications of volumetric analysis and analytical instruments.

Pedagogy (General Instructions):

These are sample Strategies, which teacher can use to accelerate the attainment of the various course outcomes.
1. Lecturer method (L) does not mean only traditional lecture method, but different type of teaching methods may be adopted to develop the outcomes.
2. Show Video/animation films to explain methods of synthesis of nanomaterials.
4. Encourage collaborative (Group Learning) Learning in the class
5. Ask at least three HOTS (Higher order Thinking) questions in the class, which promotes critical thinking
6. Adopt Problem Based Learning (PBL), which fosters students’ Analytical skills, develop thinking skills such as the ability to evaluate, generalize, and analyse information rather than simply recall it.
7. Topics will be introduced in a multiple representation.
8. Show the different ways to solve the same problem and encourage the students to come up with their own creative ways to solve them.
9. Discuss how every concept can be applied to the real world - and when that's possible, it helps improve the students' understanding.

Module-1

Electrochemistry and energy storage systems:
Electrochemistry: Introduction, EMF of cell, Free Energy, Single electrode potential-Derivation of Nernst equation, Numerical problems based on Nernst Equation.
Reference Electrodes: Introduction, construction, working and applications of calomel electrode, ion selective electrodes: Introduction, construction, working and applications of Glass electrode, determination of pH using Glass electrode.
Energy storage Systems: Introduction, Classification of batteries (primary, secondary and reserved batteries). Construction, working and applications of Li-ion batteries. Advantages of Li-ion battery as an electrochemical energy system for electric vehicles. Recycling of Lithium-ion batteries, Introduction, brief discussion on direct cycling method, Sodium-ion battery-Introduction.
Pedagogy: Electrochemistry and energy systems-chalk and talk method, power point presentation,
Practical topic: Determination of pKa value of weak acid using glass electrode.
Energy storage Systems-Power point presentation, youtube videos for Li-ion battery construction and working. Recycling of Lithium-ion batteries, Introduction, brief discussion on direct cycling method
Self-study material: Construction and working of classical batteries like Zn-MnO2 and Pb-PbO2 batteries Sodium-ion battery-Introduction.

Click here to download Module-1

Module-2

Corrosion and Metal finishing:
Corrosion and it’s control:
Introduction, Electrochemical theory of corrosion, Factors affecting the rate of corrosion: ratio of anodic to cathodic areas, nature of corrosion product, nature of medium – pH, conductivity and temperature. Types of corrosion - Differential metal and differential aeration (pitting and water line). Corrosion control: Inorganic coating- Anodizing – Anodizing of aluminum, Cathodic protection - a sacrificial anode and impressed current methods, Metal coatings – Galvanization. Corrosion Penetration Rate (CPR), numerical problems on CPR.
Metal finishing: Introduction, Technological importance. Electroplating: Introduction, Electroplating of chromium (hard and decorative). Electroless plating: Introduction, distinction between electroplating and electroless plating processes. Electroless plating of copper.
Pedagogy: Chalk and talk method and power point presentation - Electrochemical theory of corrosion, Factors affecting the rate of corrosion, Types of corrosion and corrosion control. Technological importance. Electroplating: Introduction, Videos: Electroplating of chromium, electroless plating of copper
Self-learning material: Organic coatings: Paint, components of paints and their functions. Varnish, definition, differences between paints varnishes. principles governing electroplating-Polarization, decomposition potential and overvoltage.

Click here to download Module-2

Module-3

Engineering Materials
Polymers: Introduction, Synthesis and applications of Polyurethanes. Polymer composites-Introduction, synthesis, properties & applications of Kevlar Fibre,
Conducting Polymers: Introduction, Synthesis & Mechanism of conduction in polyaniline and factors influencing conductivity of organic polymers.
Biodegradable polymers: Introduction and their requirements. Synthesis, properties and applications of Poly lactic acid.
Nanomaterials:
Introduction, size dependent properties (Surface area, Electrical, Optical and Catalytic properties). Synthesis of nanomaterials: Top down and bottom up approaches, Synthesis by Sol-gel, and precipitation method, Nanoscale materials: Fullerenes, Carbon nanotubes and graphemes –Introduction, properties and applications.
Pedagogy: Chalk and talk method - Polymers, Conducting Polymers, Biodegradable polymers.
Powerpoint presentation on Nanomaterials:
Practical topic: Synthesis of nanomaterial by Precipitation method.
Self-learning material: classification of polymers. Nano materials synthesis by Chemical vapor deposition.

Click here to download Module-3

Module-4

Green Chemistry and Alternative energy resources
Green Chemistry: Introduction, definition, Major environmental pollutants, Basic principles of green chemistry. Various green chemical approaches – Microwave synthesis, Bio catalysed reactions, mechanism of degradation, Super critical conditions for solvent free reactions. Synthesis of typical organic compounds by conventional and green route; i) Adipic acid ii) Paracetamol
Atom economy – Synthesis of Ethylene oxide & Methyl Methacrylate. Industrial applications of green chemistry, Numerical problems on Atom economy.
Green fuel: Hydrogen-production (Photo electro catalytic and photo catalytic water splitting) and applications in hydrogen fuel cells. Construction, working and applications of Methanol-Oxygen fuel cell (H2SO4 as electrolyte).
Solar Energy:
Introduction, construction, working and applications of photovoltaic cell.
Pedagogy: Chalk and talk/power point presentation - Basic principles of green chemistry, Videos: Various green chemical approaches, Self-study material: Atom economy, advantages & disadvantages of photovoltaic cell.

Click here to download Module-4

Module-5

Water Chemistry, Methods of chemical analysis and Instrumental methods of analysis
Water chemistry:
Introduction, sources and impurities in water, Potable water; meaning and specifications (as per WHO standards), Hardness of water, types, determination of hardness using EDTA titration, numerical problems on hardness of water.
Biological oxygen demand (BOD), Definition and Chemical Oxygen Demand (COD), Definition, determination of COD of waste water sample and Numerical problems on COD.
Methods of Chemical Analysis:
Volumetric Analysis: Introduction, principles of titrimetric analysis, requirement of titrimetric analysis, primary and secondary standards. Requirement of a primary standard solution, units of standard solutions (normality, molarity, molality, mole fraction, ppm).
Instrumental methods of analysis:
Introduction, Theory, Instrumentation and applications of Colorimetry, Flame Photometry, Potentiometry, Conductometry (Strong acid with strong base, weak acid with a strong base, mixture of strong acid and a weak acid with a strong base)
Pedagogy: Chalk and talk/power point presentation – principles of titrimetric analysis, requirement of titrimetric analysis, Classification of titrimetric analysis, Ostwald’s theory of acid-base indicator taking phenolphthalein and methyl orange as examples. Instrumental methods of analysis.
Practical topic: Volumetric titrations, instrumental methods.
Self-study material- Types of volumetric titrations (Neutralization, redox and complexometric), Equivalent weights.

Click here to download Module-5

Important Links:

1. Click here to download Model Question Paper-1

2. Click here to download Model Question Paper-2

3. click here to download Important Questions

Course outcome (Course Skill Set)

At the end of the course the student will be able to:
CO1: Discuss the electrochemical energy systems such as electrodes and batteries.
CO2: Explain the fundamental concepts of corrosion, its control and surface modification methods namely electroplating and electroless plating
CO3: Enumerate the importance, synthesis and applications of polymers. Understand properties and application of nanomaterials.
CO4: Describe the principles of green chemistry, and understand the properties and application of alternative fuels.
CO5: Illustrate the fundamental principles of water chemistry, and applications of volumetric and analytical instrumentation.

Assessment Details (both CIE and SEE)

(methods of CIE need to be define topic wise i.e.- MCQ, Quizzes, Open book test, Seminar or micro project)
The weightage of Continuous Internal Evaluation (CIE) is 50% and for Semester End Exam (SEE) is 50%. The student has to obtain minimum of 40% marks individually both in CIE and SEE to pass. Theory Semester End Exam (SEE) is conducted for 100 marks (3 Hours duration). Based on this grading will be awarded.

Continuous Internal Evaluation:

1. Methods suggested: Test, Open Book test, Written Quiz, Seminar, report writing etc.
2. The class teacher has to decide the topic for closed book test, open book test, Written Quiz and Seminar. In the beginning only teacher has to announce the methods of CIE for the subject.

Semester End Examination:

Theory SEE will be conducted by University as per scheduled time table, with common question papers for subject
1. The question paper will have ten questions. Each question is set for 20 marks.
2. There will be 2 questions from each module. Each of the two questions under a module (with a maximum of 3 sub questions), should have a mix of topics under that module.
3. The students have to answer 5 full questions, selecting one full question from each module

Suggested Learning Resources:

Books
1. Uppal M.M, Jain and Jain. Engineering Chemistry, Khanna Publishers, 35th Edition, 2013.
2. P.C. Jain and Monica Jain, A test Book of Engineering Chemistry, Dhanpat Rai Publications, New Delhi, 12th Edition, 2012.
3. SS Dara & Dr. SS Umare. -A Text book of Engineering Chemistry, S Chand & Company Ltd., 12th Edition, 2011.
4. R.V. Gadag and Nitthyananda Shetty-A Text Book of Engineering Chemistry, I.K. International Publishing house. 2nd Edition, 2016.
5. B.S. Jai Prakash, R. Venugopal, Sivakumaraiah& Pushpa Iyengar.,- Chemistry for Engineering Students”, Subash Publications, Bangalore.5th Edition, 2014 6. F.W. Billmeyer, Text Book of Polymer Science, John Wiley & Sons, 4th Edition, 1999. 7. M.G. Fontana, N.D. Greene, Corrosion Engineering, McGraw Hill Publications, New York, 3rd Edition, 1996. 8. Principles of Physical Chemistry , B.R. Puri, L.R. Sharma & M.S. Pathania, S. Nagin Chand & Co., 41 Edition, 2004.
9. G.A. Ozin & A.C. Arsenault, “Nanotechnology A Chemical Approach to Nanomaterials”. RSC Publishing, 2005.

Web links and Video Lectures (e-Resources):
 https://www.youtube.com/watch?v=faESCxAWR9k
 https://www.youtube.com/watch?v=TBqXMWaxZYM&list=PLyhmwFtznRhuz8L1bb3X-9IbHrDMjHWWh
 https://www.youtube.com/watch?v=j5Hml6KN4TI
 https://www.youtube.com/watch?v=X9GHBdyYcyo
 https://www.youtube.com/watch?v=1xWBPZnEJk8
 https://www.youtube.com/watch?v=wRAo-M8xBHM.

Activity-Based Learning (Suggested Activities in Class)/ Practical Based learning
 https://www.vlab.co.in/broad-area-chemical-sciences
 https://demonstrations.wolfram.com/topics.php
 https://interestingengineering.com/science