Engineering Chemistry

Course Title: Engineering Chemistry

Course No: ENSH 153

Nature of the Course: Theory + Lab

Semester: 2

Full Marks: 60 + 40 + 25

Pass Marks: 24 + 16 + 10

Credit Hours: 3

Course Description

Engineering Chemistry develops basic concepts of physical chemistry, inorganic chemistry, analytical chemistry, environmental chemistry, green and sustainable chemistry, nano chemistry, polymer chemistry and organic chemistry relevant to the different disciplines of engineering.

Course Objectives

To develop the basic concepts of physical chemistry, inorganic chemistry, analytical chemistry, environmental chemistry, green and sustainable chemistry, nano chemistry, polymer chemistry and organic chemistry relevant to the different disciplines of engineering.

Course Contents

1. Electrochemistry and Buffer

8 hrs10 marks

1.1. Electrochemistry

Introduction

EMF of galvanic cell, Nernst equation

Polarization and overpotential

Butler-Volmer equation and Tafel plots

1.2. Electrode processes and mechanisms (Qualitative only)

Charge transfer processes at electrodes

Mass transfer and diffusion in electrochemical systems

1.3. Industrial and applied electrochemistry

Batteries: Lead acid and lithium ion

Solar-photovoltaic cell (With typical examples), fuel cell

Corrosion

1.4. Buffer, buffer range, buffer capacity and buffer solution (Henderson-Hasselbalch equation) and its applications

2. Catalyst and Catalysis

4 hrs5 marks

2.1. Definition and types

2.2. Design and criteria

Structure-activity relationships

Selection criteria of catalyst

2.3. Photocatalysis and electrocatalysis

2.4. Catalysis for energy and environmental applications

Catalytic conversion of fossil fuels

Renewable energy catalysts

Catalyst for pollution control

3. Analytical Techniques and their Applications

6 hrs5 marks

3.1. Chromatography

3.2. Mass spectroscopy

3.3. X-ray diffraction (XRD)

3.4. UV-visible spectroscopy

3.5. Infrared-spectroscopy (IR)

3.6. Nuclear magnetic resonance spectroscopy (NMR)

4. Metal Complexes, Rare Earth Elements and Metal alloys

6 hrs10 marks

4.1. Complexes

Introduction and Werner's theory

Geometry of complex by VBT and its applications

Crystal field theory: Principle and applications

4.2. Rare earth elements: Introduction and applications

4.3. Metallic alloys and applications

5. Sustainable Chemistry

7 hrs10 marks

5.1. Green chemistry: Introduction and principles

5.2. Water chemistry

Importance of water quality standards

Degree of hardness, scale formation in boiler and softening of hard water

Water pollution with reference to turbidity, COD, BOD, heavy metals, radioactive substances, and plastic

Industrial wastewater and its treatment

5.3. Air pollution: Particulate matter, SOx, NOx, GHGs, VOCs, their impacts and remedies

5.4. Waste management

Segregation and management of solid waste

Management of biodegradable waste into energy

E-waste and its management

6. Nanoscience and Nanotechnology

3 hrs5 marks

6.1. Introduction and types of nano materials (0-, 1-, 2-, and 3- dimensional)

6.2. Nanoparticles, nanofibers, nanowires, carbon nanotubes, graphene, mxene, quantum dots, and their uses

6.3. Preparation of nanomaterials

7. Engineering Materials

7 hrs10 marks

7.1. Polymers

Natural and synthetic, organic and inorganic, conducting and non-conducting

Types of polymerizations: Addition and condensation polymerization

Preparation and applications of epoxy resin, polyurethane, Kevlar, polycarbonate, polymethyl methacrylate, polyacrylonitrile, silicones; Phosphorus based polymer, Sulphur based polymer

Conducting polymers: Synthesis and application

Composite: Fiber reinforced polymer

Natural polymers: Cellulose, chitin, chitosan, collagen

7.2. Cement: Hydration and setting chemistry of cement

8. Explosives, Lubricants and Paints

4 hrs5 marks

8.1. Explosives

Types of explosives: Primary, low and high explosives

Preparation and applications of TNT, TNG, Nitrocellulose and plastic explosives

8.2. Lubricants: Introduction, function and classification

8.3. Paints

Introduction, requisites, types and applications

Environmental and health impact

Laboratory Works

Practical sessions of 45 hours covering water hardness and alkalinity determination, residual chlorine estimation, buffer solution preparation, surface tension measurement, electrochemical cell construction, chromatography, spectrophotometric analysis, titrations, polymer preparation, and complex compound estimation.

1.Determination of Total, Temporary and Permanent Hardness of Water sample using complexometric titration
2.Determination of the alkalinity of water sample A and B by double indicator titration
3.Estimation of the amount of residual chlorine in water by iodometric titration
4.Preparation of the standard buffer solution (Acidic or basic) and measure the approximate pH of given unknown solution by using Universal Indicator
5.Comparison of the cleansing power of two sample of detergents by determining the reduction they cause in surface tension of water
6.Construction of Daniell cell and study of the variation of cell potential with concentration
7.Separation of the pigments through the process of paper / thin layer chromatography
8.Determination of total iron in ground water using spectrophotometer technique
9.Determination of amount of copper and iron in a given mixture solution by K2Cr2O7 titration
10.Preparation of cross – linked polymer by condensation polymerization method
11.Standardize potassium permanganate solution and use it to estimate the amount of Iron and determine the percentage purity in the sample of ferrous salt solution
12.Preparation of Ni-DMG complex and estimation of the amount of nickel

Reference Books

1.Maron, S. H., Prutton, C. F. (1965). Principles of Physical Chemistry (Latest Edition). Macmillan.
2.Lee, J.D. (2007). Concise Inorganic Chemistry. John Wiley & Sons.
3.Madan, R.D., Prakash, S. (1994). Inorganic Chemistry (Latest Edition). S. Chand & Company Ltd.
4.Bahl, S., Tuli, G.D., Bahl, A. (2009). Essentials of Physical Chemistry. S. Chand & Co. Ltd.
5.Bhagi, A. K., Morrison, G. R. T., Boyd, R. N. (2008). Organic Chemistry. Prentice-Hall of India.
6.Morrison, R. T., Boyd, R. N. (2008). Organic Chemistry. Prentice-Hall of India.
7.Vogel. (2008). Vogel's Textbook of Quantitative Chemical Analysis. Pearson Education.
8.Murthy, B. S., Shankar, P., Baldev, R., Rath, B. B., Murday, J. (2012). Textbook of nanoscience and nanotechnology. Universities Press.
9.Chatwal, G.R. (2023). Textbook of Environmental Chemistry. Himalaya Publishing House.

Notes:

This syllabus follows the official BEI curriculum of Tribhuwan University. In case of any doubt or revision, the university's published syllabus shall be considered authoritative. https://ioe.tu.edu.np/pages/electronics-engineering-curriculum-structure-2660

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