Solved question paper for CHEMISTRY May-2013 (B-TECH 1st-2nd)
Solved Question Paper
Engineering chemistry May-2013
PTU • B-TECH • Information Technology • 1st-2nd • May-2013
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.
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
Solved-
What is wet corrosion?Short Answer 2 Marks May-2013 • PTU B-TECH
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Dec 2018 What is waterline corrosion?
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Dec 2016 What is waterline corrosion?
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May 2015 What is Corrosion? Discuss the factors affecting corrosion.
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May 2013 What is differential air corrosion?
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May 2013 What do you understand by stress corrosion? Explain.
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May 2013 What are the factors which affect corrosion?
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May 2012 What do you understand by Galvanic corrosion?
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May 2012 What is galvanic corrosion?
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May 2011 What is wet corrosion?
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Dec 2011 What do you understand by corrosion and stress corrosion?
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Dec 2010 What is dry corrosion?
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Dec 2010 What do you understand by wet corrosion?
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What do you understand by partition chromatography?Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2017
What is partition chromatography?
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May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
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Dec 2016 Name the two phases of chromatography.
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May 2015 What is the basic principle of chromatographic techniques?
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May 2015 Discuss various types of liquid chromatography.
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Dec 2015 What is the basic principle of chromatographic techniques?
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May 2014 What is chromatography?
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May 2014 Define chromatography. Discuss various types of chromatography.
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May 2014 Give the applications of chromatography.
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May 2013 What are the types of liquid chromatography?
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May 2012 What is partition chromatography?
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May 2012 What is chromatography? Discuss its classification.
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Dec 2012 What is chromatography?
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Dec 2012 Discuss classification of chromatography.
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May 2011 What are the advantages of chromatography?
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May 2011 What is chromatography? Discuss the types of chromatography.
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Dec 2011 Give the classification of chromatography.
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May 2010 Explain partition chromatography.
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May 2010 Explain paper chromatography.
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May 2010 Explain thin layer chromatography.
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Dec 2010 How chromatographic separation methods can be classified?
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Dec 2010 Briefly discuss the applications of chromatography.
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May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
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May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
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May 2005 Explain the chromatographic development with suitable example.
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What is standard hard water?Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2018
What is standard hard Water?
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May 2016 How will distinguish chemically between soft and hard water?
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May 2016 What are the major disadvantages of hard water when used for domestic purposes?
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May 2016 What are the major disadvantages of hard water when used for industrial purposes?
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May 2014 What is soft water? Where is it required?
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Dec 2011 What is standard hard water?
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May 2007 What is demineralized water? How is it different from soft water?
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Dec 2006 What is demenralised water? How is it different from soft water?
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Dec 2005 What is demineralized water? How is it different from soft water?
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Distinguish between hard water and soft water.Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2022 Distinguish between hard water and soft water.
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May 2011 Distinguish between hard water and soft water.
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What is fluorescence and how it is different from phosphorescence?Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2022 Differentiate between fluorescence and phosphorescence.
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Dec 2016 Give the difference between fluorescence and phosphorescence.
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May 2015 What is fluorescence and how is it different from phosphorescence?
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Dec 2014 What is the difference between fluorescence and phosphorescence?
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May 2011 Compare fluorescence with phosphorescence.
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Dec 2011 Differentiate fluorescence from phosphorescence.
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Dec 2010 Differentiate phosphorescence from fluorescence.
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May 2005 Distinguish between Fluorescence and phosphorescence.
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Define phase rule.Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2011 Define phase.
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May 2011 Define phase rule.
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Define concentration cells.Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2020 What are concentration cells?
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May 2012 Discuss the concentration cell.
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May 2011 Discuss the concentration cells.
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What information can be obtained from spin-spin coupling?Short Answer 2 Marks May-2013 • PTU B-TECH
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Dec 2023 Explain the Spin-Spin coupling.
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Dec 2010 What do you understand by spin-spin coupling?
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May 2007 Write brief notes on spin-spin coupling.
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Dec 2007 Write brief note on spin-spin coupling.
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Dec 2006 Write brief notes on Spin-spin coupling.
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What are the factors which affect corrosion?Short Answer 2 Marks May-2013 • PTU B-TECH
-
Dec 2018 What is waterline corrosion?
-
Dec 2016 What is waterline corrosion?
-
May 2015 What is Corrosion? Discuss the factors affecting corrosion.
-
May 2013 What is differential air corrosion?
-
May 2013 What do you understand by stress corrosion? Explain.
-
May 2013 What is wet corrosion?
-
May 2012 What do you understand by Galvanic corrosion?
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May 2012 What is galvanic corrosion?
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May 2011 What is wet corrosion?
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Dec 2011 What do you understand by corrosion and stress corrosion?
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Dec 2010 What is dry corrosion?
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Dec 2010 What do you understand by wet corrosion?
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What is UV and visible range of electromagnetic radiations used in UV-visible spectrophotometer? What is λmax?Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2015 What is the range of electromagnetic radiations used in UV-Vis spectrophotometer? Define λmax.
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How desalination of water can be achieved by electrodialysis?Short Answer 4 Marks May-2013 • PTU B-TECH
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Discuss Lime-soda process for water softening.Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2015 Discuss hot lime soda process of water softening.
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May 2014 Discuss the hot lime-soda process for softening of water.
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May 2012 Discuss hot lime soda process of water softening.
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May 2012 Discuss hot lime soda process of water softening.
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Dec 2011 Discuss hot lime soda process for softening of water. What are its advantages and disadvantages?
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Explain the protective measures of controlling corrosion.Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2023 a) Discuss the importance of design and material selection in controlling corrosion.
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Dec 2019 Discuss briefly about differential aeration corrosion.
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May 2013 Discuss atmospheric corrosion.
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May 2012 Discuss metal alloys for corrosion control.
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May 2012 Discuss anodic and cathodic coating for corrosion control.
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Dec 2012 Discuss differential aeration corrosion.
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May 2007 Discuss the importance of design and material selection in controlling corrosion.
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May 2007 Discuss briefly: Stress corrosion
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Dec 2007 Describe various methods employed for protection of metals from corrosion.
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Dec 2006 Discuss the importance of design and material selection in controlling corrosion.
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Dec 2006 Discuss briefly Stress corrosion.
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Discuss atmospheric corrosion.Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2023 a) Discuss the importance of design and material selection in controlling corrosion.
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Dec 2019 Discuss briefly about differential aeration corrosion.
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May 2013 Explain the protective measures of controlling corrosion.
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May 2012 Discuss metal alloys for corrosion control.
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May 2012 Discuss anodic and cathodic coating for corrosion control.
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Dec 2012 Discuss differential aeration corrosion.
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May 2007 Discuss the importance of design and material selection in controlling corrosion.
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May 2007 Discuss briefly: Stress corrosion
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Dec 2007 Describe various methods employed for protection of metals from corrosion.
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Dec 2006 Discuss the importance of design and material selection in controlling corrosion.
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Dec 2006 Discuss briefly Stress corrosion.
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Define chromatography. Draw flow diagram of LC instrument.Short Answer 4 Marks May-2013 • PTU B-TECH
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Dec 2017
Discuss the principle behind liquid chromatography.
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May 2016 Describe the instrumentation of HPLC & flow diagram of LC instruments.
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May 2011 Draw the flow-diagram of liquid chromatography instrument. Discuss its principle.
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What are the types of liquid chromatography?Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2017
What is partition chromatography?
-
May 2016 What is the basic principle of Chromatography? Give various types of liquid chromatography.
-
Dec 2016 Name the two phases of chromatography.
-
May 2015 What is the basic principle of chromatographic techniques?
-
May 2015 Discuss various types of liquid chromatography.
-
Dec 2015 What is the basic principle of chromatographic techniques?
-
May 2014 What is chromatography?
-
May 2014 Define chromatography. Discuss various types of chromatography.
-
May 2014 Give the applications of chromatography.
-
May 2013 What do you understand by partition chromatography?
-
May 2012 What is partition chromatography?
-
May 2012 What is chromatography? Discuss its classification.
-
Dec 2012 What is chromatography?
-
Dec 2012 Discuss classification of chromatography.
-
May 2011 What are the advantages of chromatography?
-
May 2011 What is chromatography? Discuss the types of chromatography.
-
Dec 2011 Give the classification of chromatography.
-
May 2010 Explain partition chromatography.
-
May 2010 Explain paper chromatography.
-
May 2010 Explain thin layer chromatography.
-
Dec 2010 How chromatographic separation methods can be classified?
-
Dec 2010 Briefly discuss the applications of chromatography.
-
May 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2007 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
Dec 2006 What are various classes of chromatography? Bring out clearly the principles involved in each case.
-
May 2005 How are chromatographic techniques classified? Discuss in brief chromatographic mechanism.
-
May 2005 Explain the chromatographic development with suitable example.
-
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Discuss conductometric titration of a strong acid against strong base.Short Answer 4 Marks May-2013 • PTU B-TECH
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Dec 2012 Explain the titration curve of strong acid with strong base by conductometry.
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Dec 2010 Discuss conductometric titration of a weak acid against strong base.
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What do you understand by liquid junction potential?Short Answer 4 Marks May-2013 • PTU B-TECH
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Dec 2017
What is liquid junction potential? Derive the expression for liquid junction potential.
\r\nHow can it be minimized or eliminated? -
May 2014 Explain liquid junction potential.
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Dec 2012 What is liquid junction potential?
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May 2011 What is liquid junction potential?
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Write short note on Lasers.Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2007 Write a short note on lasers and their uses.
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Dec 2006 Write a short note on lasers and their uses.
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Write short note on Photosynthesis.Short Answer 4 Marks May-2013 • PTU B-TECH
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Dec 2015 Discuss various theories of mechanism of photosynthesis.
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May 2012 Discuss the phenomenon of photosynthesis.
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May 2011 Describe mechanism of photosynthesis.
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May 2005 What is meant by photosynthesation?
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Dec 2005 Explain photosynthesis.
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What is the essential requirement for the compound to be IR active? Discuss the applications of IR spectroscopy.Long Answer 6 Marks May-2013 • PTU B-TECH
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Dec 2023 What are rules for molecules show IR activity?
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Dec 2019 What is the essential condition for a molecule to be IR active?
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Dec 2018
What is the essential condition for a molecule to be IR active?
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May 2012 What happens on absorption of IR radiation by the molecule?
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Discuss Franck-Condon principle.Short Answer 2 Marks May-2013 • PTU B-TECH
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May 2015 State and explain Franck-Condon principle.
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May 2014 Discuss Franck-Condon principle.
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Dec 2012 Explain Franck-Condon principle.
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May 2011 Explain Frank-Condon principle.
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Dec 2010 Discuss Franck-Condon principle.
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May 2005 Explain the Frank-Condon principle.
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Discuss spin-spin relaxation.Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2018
Discuss spin-lattice relaxations. What is their significance?
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May 2012 Discuss spin-lattice relaxation.
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Dec 2010 Discuss spin-lattice relaxation.
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What do you understand by chemical shift?Short Answer 4 Marks May-2013 • PTU B-TECH
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May 2013 What do you understand by chemical shift?
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May 2012 What is chemical shift?
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May 2011 What do you understand by chemical shift?
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Draw well labelled phase diagram of water. Describe in detail.Long Answer 8 Marks May-2013 • PTU B-TECH
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Dec 2023 Draw the phase diagram of one component water system.
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Dec 2012 Draw well labelled phase diagram of water and explain.
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May 2010 Draw a neat labelled phase diagram of water system and explain areas, curves and triple points on it.
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find engineering chemistry previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists engineering chemistry question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year engineering chemistry papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does engineering chemistry usually cover?
The question papers here relate to the official engineering chemistry syllabus set by the university for this course and semester.
05 Does this page include a engineering chemistry previous year question paper or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.