Solved question paper for CHEMISTRY May-2023 (B-TECH 1st-2nd)
Solved Question Paper
Engineering chemistry May-2023
PTU • B-TECH • 1st-2nd • May-2023
engineering chemistry previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for engineering chemistry, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for engineering chemistry previous year question paper while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
These Questions are downloaded from www.brpaper.com. You can also download previous years question papers of 10th and 12th (PSEB & CBSE), B-Tech, Diploma, BBA, BCA, MBA, MCA, M-Tech, PGDCA, B-Com, BSc-IT, MSC-IT.
PART A
1. Spectroscopy and its Applications:
An introduction UV/Visible Spectroscopy: Selection rules; Line widths and intensity of spectral lines; Principle and instrumentation; Electronic Transitions; Chromophores & auxochromes; Factors affecting λMax & intensity of spectral lines; Franck-Condon principle; Applications. IR Spectroscopy: Principle and instrumentation; Vibrational frequency; Fundamental modes of vibrations and types; Anharmonics; Factors affecting vibrational frequency; Applications. NMR Spectroscopy: Principle & instrumentation; Chemical shift; Spin-Spin Splitting; High-resolution NMR spectrum (PMR only). (7)
2. Photochemistry:
Introduction; Photo-physical & photochemical processes; Light sources in photochemistry; Beer-Lambert Law; Laws of Photochemistry; Quantum yield (primary and overall); Primary and secondary photochemical reactions; Jablonski diagram; Semiconductor photochemistry, Photovoltaic cells, Introduction to optical sensors, Introduction to supra-molecular photochemistry. (5)
3. Water and its Treatment:
Boiler feed water: Specification, Scales and sludge fermentation; Priming & foaming; Different methods of the water purifications and softening; Desalination of water; Water for domestic use: Specification; Disinfection of water.
4. Green Chemistry and its Applications:
Introductory overview - Definition and concepts of Green chemistry; Emergence of Green chemistry; Twelve principles of Green Chemistry with emphasis on the use of alternative feedstock (biofuels); Use of innocuous reagents in natural processes; Alternative solvents; Design of the safer chemicals; Designing alternative reaction methodology. Microwave and ultrasonic radiation in Green synthesis - Minimizing energy consumption. (4)
PART B
5. Corrosion and its Prevention:
Introduction; Different types of corrosion - Wet and Dry corrosion; Different types of surface films; Mechanisms of wet corrosion; Galvanic corrosion; Galvanic Series; Concentration cell corrosion and differential aeration corrosion; Soil and microbial corrosions; waterline, stress corrosions; Various methods of corrosion control. (5)
6. Polymers and Reinforced Composites:
Introduction; Functionality; Types of polymerization; Specific features of polymers; Structures - regularity and irregularity; Tacticity of polymers; Average molecular weights and size; Determination of molecular weight by number average method; Effect of molecular weight on the properties of polymers; Introduction to polymer reinforced composite. (5)
7. Nanochemistry:
Introduction; Materials self-assembly; Molecular vs. materials self-assembly; Self-assembling materials; Two-dimensional assemblies; Mesoscale self-assembly; Coercing colloids; Nanocrystals; Supramolecular structures; Nanoscale materials; Future perspectives. (5)
8. Petrochemicals:
Introduction; First, second & third generation petrochemicals; Primary Raw Materials for Petrochemicals. Natural gas: Natural gas treatment processes; Natural gas liquids; Properties of natural gas; Crude oil: Composition of crude oil- Hydrocarbon compounds; Non-hydrocarbon compounds; Metallic Compounds, Crude oil classification; Physical separation processes; Conversion processes; Production of ethylene and propylene
Solved Questions
SolvedExplore all data
PTU
PU Chandigarh
- BCOM |
- BA/BSC |
- BCA |
- MA |
- PGDCA |
- MCOM |
- MSC-Math |
- Addon |
- BBA |
- B-ARCH |
- B-LIB |
- B-EDU |
- B-PHAR |
- BA-HONS-ECON |
- BA-HONS-SS |
- BE |
- MA-Punjabi |
- MA-English |
- MA-History |
- MCA |
- MBA |
- MBA-CIT |
- MBA-Executive |
- MCOM-AF |
- MCOM-BE |
- MCOM-BI |
- MCOM-MEFB |
- BSC-Agri |
- BSC-FD |
- BSC-HS |
- ME-CSE |
- ME-IT |
- ME-ME |
- ME-ECE |
- MSC-Chemistry |
- MSC-Physics |
- MSC-Botany |
- MSC-Zoology |
- MA-Economics |
- MA-Hindi |
- LLB |
- BPED |
- LLM |
- BFA |
- B. Voc |
- BHM |
- BTM |
- M. Arch |
- M. Pharm |
- MFA |
- MTM |
- MHM |
- M.ED |
- M-Lib |
- MPED |
- MFDM |
- MGL |
- Shastri |
- M.TECH |
- ME-CHEMICAL |
- ME-FT |
- ME-ELECTRIC |
- M.TECH-ME |
- M.TECH-NN |
- M.E-BIO |
- MA-Sociology |
- MA-Political Science |
- MSc Biotechnology |
- MSc IT |
- MSc MB |
PSBTE
- DIPLOMA |
PSEB(School)
- Class 10th |
- Class 12th |
- Class 8th |
PU-PATIALA
- BCA |
- BBA |
- MBA |
- MCOM |
- BCOM |
- BCOM-HONS |
- BSC-NM |
- BA |
- B.EDU |
- BSC-AGRI |
- BA-B.EDU |
- BLIB |
- MSC-IT |
- PGDCA |
- MSC-MB |
- MSC-physics |
- BA-ENGLISH |
- MA-Punjabi |
- MSC-chemistry |
- MSC-maths |
- BSC-Medical |
- MSC-FDT |
- MSC-FN |
- MSC-BT |
- BSC-Hons-BT |
- BSC-CS |
- BSC-Hons-Math |
- BSC-CSM |
- BSC-FT |
HPTSB
- Diploma |
MRSPTU
- B-TECH |
- M-TECH |
- Ph.D (Computer Appli |
- M.Sc (Mathematics) |
- MBA |
- M.Sc (Chemistry) |
- B.Sc (Forensic Scien |
- MBA (Aviation Manage |
- B.Sc (Chemistry) |
- BBA (Aviation Manage |
- B.Sc (Mathematics) |
- BCA |
- M.Sc (Microbiology) |
- M.Planning |
- B.Sc (IT) |
- B.Sc (Dialysis Techn |
- B.Sc (Food Science & |
- B.Sc (Hons.) Mathema |
- M.Sc (Physics) |
- M.Pharmacy |
- B.Sc (MLS-MLT) |
- BMS (ATH) |
- B.Architecture |
- B.Com |
- B.Com (E-Commerce) |
- B.Sc (Operation Thea |
- M.Pharma (Pharmaceut |
- B.Sc (Fashion Design |
- M.Sc (Computer Scien |
- BA (Computer Science |
- B.Sc (Hons.) Agricul |
- B.Sc (Hons.) Aircraf |
- B.Sc (Anesthesia Tec |
- BCA & B.Sc (IT) |
- B.Sc (Graphics & Web |
- B.Sc (Hons.) Physics |
- M.Pharma (Pharmacolo |
- B.Fine Arts |
- MBA (Hospital Admini |
- B.Sc (Hons.) Chemist |
- B.Pharmacy |
- M.Sc (IT) |
- BA (Journalism and M |
- B.Design (Interior D |
- B.Com-M.Com Dual Deg |
- BCA-MCA Dual Degree |
- B.Sc (Physics) |
- B.Sc (Physics) |
- B.Sc (Cardiac Care T |
- M.Com |
- B.Sc (Cardiac Care T |
- M.Com |
- B.Sc (Non-Medical) |
- B.Sc (Non-Medical) |
- Computer Maintenance |
- B.Sc (Optometry) |
- CMPA |
- B.Sc (Fashion Techno |
- Computer Maintenance |
- B.Sc (Optometry) |
- CMPA |
- B.Sc (Fashion Techno |
- BMS (HMCT) |
- B.Com (Aviation, Log |
- BMS (HMCT) |
- BBA |
- B.Com (Aviation, Log |
- BBA |
- M.Sc (Fashion Techno |
- B.Pharmacy (Practice |
- B.Sc (Agriculture) |
- M.Sc (Fashion Techno |
- B.Pharmacy (Practice |
- B.Sc (Agriculture) |
- PGDCA |
- MCA |
- Pharm.D |
- PGDCA |
- B.Com (Hons.) |
- MCA |
- Pharm.D |
- B.Com (Hons.) |
- B.Sc (Food Science) |
- M.Sc (Food Science & |
- B.Sc (Food Science) |
- BBA-MBA Dual Degree |
- M.Sc (Food Science & |
- M.Pharma (Pharmacogn |
- BBA-MBA Dual Degree |
- M.Pharma (Pharmacogn |