Solved question paper for CHEMISTRY Dec-2017 (B-TECH civil engineering 1st-2nd)

Engineering chemistry

Previous year question paper with solutions for Engineering chemistry Dec-2017

Our website provides solved previous year question paper for Engineering chemistry Dec-2017. Doing preparation from the previous year question paper helps you to get good marks in exams. From our CHEMISTRY question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

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.

Print this page

Question paper 1

  1. SECTION A

    1. Compulsory Question:
    a. How the intensity of the rotational spectral lines varies and why?

    Answer:

  2. b. Are the lines in Rotational Raman Spectra equally spaced? Elaborate your answer.

    Answer:

  3. c. Write a short note on waterline corrosion.

    Answer:

  4. d. Discuss about supramolecular structures.

    Answer:

  5. e. What is meant by tacticity of polymers?

    Answer:

  6. f. Comment on the free energy change of photochemical reactions giving reasons.

    Answer:

  7. g. What is meant by first, second and third generation petrochemicals?

    Answer:

  8. h. How is Green Chemistry helpful in designing of safer chemicals?

    Answer:

  9. i. Describe the term priming and foaming in Water and its treatment.

    Answer:

  10. j. What do you understand by multiplicity of the state?

    Answer:

  11. SECTION B

    2. State Lambert-Beer’s law. Derive its mathematical form. What are its limitations?
     

    Answer:

  12. 3. Write a detailed note on construction, working and chemistry behind photovoltaic cell.

    Answer:

  13. 4. With the help of a neat diagram, explain reverse osmosis method of desalination.

    Answer:

  14. 5. Write a detailed note on use of innocuous reagents in natural processes with suitable examples.

    Answer:

  15. SECTION C

    6. Discuss in details the causes of wet corrosion and the mechanism of wet corrosion with the help of chemical equations involved.
     

    Answer:

  16. 7. How are polymer matrix composites and fiber reinforced plastics made?

    Answer:

  17. 8. Describe in details "materials self-assembly".

    Answer:

  18. 9. Write in details about primary raw materials for petrochemicals and Crude oil.

    Answer:

Question paper 2

  1. SECTION A

    1. Compulsory Question:
    a) Why do we express hardness of water in terms of CaCO3, equivalents?

    Answer:

  2. b) What is meant by single electrode potential?

    Answer:

  3. c) What do you understand by reduced phase rule?

    Answer:

  4. d) Write a note on soil corrosion.

    Answer:

  5. e) What do you mean by spin-lattice relaxation in NMI?

    Answer:

  6. f) List the three criteria for phase equilibrium of a multi-component system.

    Answer:

  7. g) Why is it not possible to measure the limiting molar conductivity of a weak
    electrolyte experimentally?

    Answer:

  8. h) Define quantum yield. Give its mathematical expression.

    Answer:

  9. i) Discuss the principle behind liquid chromatography.

    Answer:

  10. j) Define B.O.D and C.O.D.

    Answer:

  11. SECTION B

    2. What is boiler feed water? Explain the scale and sludge formation in boiler.

    Answer:

  12. 3. Explain the mechanism of electrochemical corrosion with example.

    Answer:

  13. 4. Explain the principle and working of TLC. List its important applications.

    Answer:

  14. 5. What is liquid junction potential? Derive the expression for liquid junction potential.
    How can it be minimized or eliminated?

    Answer:

  15. SECTION C

    6. What do you understand by luminescence? Briefly explain the different types of
    luminescence.

    Answer:

  16. 7. What do you mean by resolving power of a spectrometer? Explain taking the example of a prism as the dispersing element. Also explain how the resolution depends upon slit width.

    Answer:

  17. 8. How does absorption signal originate in NMR spectroscopy? What is meant by resonance in NMR spectroscopy.

    Answer:

  18. 9. Derive the criteria for phase equilibria for a multi-component system. Deduce from it, the criteria for two phase equilibria for one component system.

    Answer: