Solved question paper for CHEMISTRY May-2012 (B-TECH 1st-2nd)

Solved Question Paper

Engineering chemistry May-2012

PTU • B-TECH • Information Technology • 1st-2nd • May-2012

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.

Solved Questions

Solved
  1. What are coercing colloids?
    Short Answer 2 Marks May-2012 • PTU B-TECH
  2. What is the difference between allowed and forbidden transition?
    Short Answer 2 Marks May-2012 • PTU B-TECH
  3. What is the range of peak identification region in IR spectrum?
    Short Answer 2 Marks May-2012 • PTU B-TECH
  4. Discuss metal alloys for corrosion control.
    Short Answer 2 Marks May-2012 • PTU B-TECH
  5. Sharp peaks are seldom observed in UV spectrum. Explain.
    Short Answer 2 Marks May-2012 • PTU B-TECH
  6. Milliequivalent per litre of hardness = ________ ppm. Explain.
    Fill in the Blanks 2 Marks May-2012 • PTU B-TECH
  7. Give the possible electronic excitations for CH2CH=CH2.
    Short Answer 2 Marks May-2012 • PTU B-TECH
  8. Give the possible electronic excitations for CH3CHO.
    Short Answer 2 Marks May-2012 • PTU B-TECH
  9. How 1H NMR can be used to distinguish p-CH3C6H4CH3 from C2H5C6H5 ?
    Short Answer 2 Marks May-2012 • PTU B-TECH
  10. Mention two examples of photochemical reactions having low quantum yield.
    Short Answer 2 Marks May-2012 • PTU B-TECH
  11. What is Green Chemistry? Why is it called so?
    Short Answer 2 Marks May-2012 • PTU B-TECH
  12. Discuss factors contributing to the broadening of a spectral line.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  13. Discuss IR spectroscopy and its applications.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  14. Photobromination of cinnamic acid to dibromocinnamic acid was carried out in blue light of wavelength 440 nm at 35°C using light intensity of 1.5 × 10 –3 J per second. An exposure of 20 minutes produced a decrease of 0.075 millimole of bromine. The solution absorbed 80% of the light passing through it. Calculate the quantum yield of the reaction.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  15. Discuss supra molecular photochemistry.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  16. Explain priming and foaming in boilers.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  17. Discuss hot lime soda process of water softening.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  18. Discuss the use and advantages of water and ionic liquids as solvents in organic reactions.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  19. What are microwaves? How these waves can speed up the chemical reaction?
    Long Answer 4 Marks May-2012 • PTU B-TECH
  20. What do you understand by Galvanic corrosion?
    Long Answer 4 Marks May-2012 • PTU B-TECH
  21. Explain the use of inhibitors for corrosion control.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  22. What is polymerization? Discuss its types.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  23. Discuss polymer reinforced composites.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  24. Discuss nanocrystals.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  25. Give the applications of nanochemistry.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  26. How crude oil is classified? Discuss the production of ethylene.
    Long Answer 4 Marks May-2012 • PTU B-TECH
  27. Discuss natural gas liquids.
    Long Answer 4 Marks May-2012 • PTU B-TECH

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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.