Chemistry BCHES102/202
Module-wise notes, PYQs, and a built-in resource explorer — everything you need to crack BCHES102/202 in one focused page.
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Module 1 Overview
Sensors and Energy Systems (8hr)
Sensors: Introduction, working, principle and applications of Conductometric sensors, Electrochemical sensors, Thermometric sensors (Flame photometry), and Optical sensors (colorimetry). Sensors for the measurement of dissolved oxygen (DO). Electrochemical sensors for pharmaceuticals. Electrochemical gas sensors for SOx and NOx. Disposable sensors in detection of biomolecules and pesticides.
Energy Systems: Introduction to batteries, construction, working and applications of Lithium-ion and Sodium-ion batteries. Quantum Dot Sensitized Solar Cells (QDSSC's) - Principle, Properties and Applications.
Self-learning: Types of electrochemical sensor, Gas sensor - Oâ‚‚ sensor, Biosensor - Glucose sensors.
Module 2 Overview
Materials for Memory and Display Systems (8hr)
Memory Devices: Introduction, Basic concepts of electronic memory, History of organic/polymer electronic memory devices, Classification of electronic memory devices, types of organic memory devices (organic molecules, polymeric materials, organic-inorganic hybrid materials).
Display Systems: Photoactive and electroactive materials, Nanomaterials and organic materials used in optoelectronic devices. Liquid crystals (LCs) - Introduction, classification, properties and application in Liquid Crystal Displays (LCDs). Properties and application of Organic Light Emitting Diodes (OLEDs) and Quantum Light Emitting Diodes (QLEDs), Light-emitting electrochemical cells.
Self-learning: Properties and functions of Silicon (Si), Germanium (Ge), Copper (Cu), Aluminium (Al), and Brominated flame retardants in computers.
Module 3 Overview
Corrosion and Electrode System (8hr)
Corrosion Chemistry: Introduction, electrochemical theory of corrosion, types of corrosion - differential metal and differential aeration. Corrosion control - galvanization, anodization, and sacrificial anode method. Corrosion Penetration Rate (CPR) - Introduction and numerical problem.
Electrode System: Introduction, types of electrodes. Ion selective electrode - definition, construction, working and applications of glass electrode. Determination of pH using glass electrode. Reference electrode - Introduction, calomel electrode - construction, working and applications of calomel electrode. Concentration cell - Definition, construction and Numerical problems.
Analytical Techniques: Introduction, principle and instrumentation of Conductometry; its application in the estimation of weak acid. Potentiometry; its application in the estimation of iron.
Self-learning: IR and UV-Visible spectroscopy.
Module 4 Overview
Polymers and Green Fuels (8hr)
Polymers: Introduction, Molecular weight - Number average, weight average and numerical problems. Preparation, properties, and commercial applications of Kevlar. Conducting polymers - synthesis and conducting mechanism of polyacetylene and commercial applications.
Green Fuels: Introduction, construction and working of solar photovoltaic cell, advantages, and disadvantages. Generation of energy (green hydrogen) by electrolysis of water and its advantages.
Self-learning: Regenerative fuel cells.
Module 5 Overview
E-Waste Management (8hr)
E-Waste: Introduction, sources of e-waste, Composition, Characteristics, and Need of e-waste management. Toxic materials used in manufacturing electronic and electrical products, health hazards due to exposure to e-waste.
Recycling and Recovery: Different approaches of recycling (separation, thermal treatments, hydrometallurgical extraction, pyrometallurgical methods, direct recycling). Extraction of gold from E-waste. Role of stakeholders in environmental management of e-waste (producers, consumers, recyclers, and statutory bodies).
Self-learning: Impact of heavy metals on environment and human health.
Resource Explorer
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Frequently Asked Questions
What is BCHES102/202 (Chemistry BCHES102/202)?
Chemistry BCHES102/202 is a VTU course covered through module-wise syllabus, notes, and PYQ-driven exam practice available on this page.
How many credits is BCHES102/202?
Credits for BCHES102/202: 04.
Are notes and previous year question papers available for BCHES102/202?
Yes. You can access organized notes, PDFs, and PYQ material from the file explorer/resources section on this page.
How should I prepare Chemistry BCHES102/202 for VTU exams?
Start with module summaries, solve recent PYQs unit-wise, and finish with complete paper practice under time constraints for SEE readiness.
Is this BCHES102/202 page updated for current VTU scheme?
Yes, this page is maintained with current scheme-oriented materials and practical exam-focused resource curation.