Download SGBAU BSc 2019 Summer 6th Sem Petrochemical Science Question Paper

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B.Sc. (Part-IIT) Semester—VI Examination

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Note :— (1) Question No. 1 is compulsory.
(2) Remaining six questions carry 12 marks each.
(3) Give chemical equation and draw diagram wherever necessary.

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(A) Fill in the blanks with appropriate words :

1. catalyst constitute a different phase in the reaction medium.
2. The is defined as the number of waves which can pass through a point in one second.
3. LNG is the important feed stock for ~ type of HC.
4. The of the catalyst includes its constituents, physical form, the texture and structure.

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(B) Choose the correct alternative :

1. solvent produces greatest migration and this gives better separation.
   (a) Polar (b) Non-polar
   (c) Anti-polar (d) None of the above
2. Natural gas is essentially and represents the cleanest and richest form of commercially available energy.
   

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   (a) Propane (b) Butane
   (c) Pantane (d) Methane
3. One of the disadvantages of as a fuel is smoke evolution from burning which leads to environmental pollution.
   (a) Fuel oil (b) Natural gas
   (c) Coal (d) LPG

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4. Hydrogen means clean energy that is :
   Hydrogen — Energy +
   (a) Water (b) Hydrogen
   (c) Oxygen (d) Nitrogen

(C) Answer in one sentence :

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1. What is Pollutant ?
2. Define Beer's law.
3. What is chromophore ?
4. Which catalyst is used in desulfurization process for production of syngas ?

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1. (A) Define the following terms :
   (i) Wave number.
   (it) Wavelength.
2. (B) What is electromagnetic spectrum ? Discuss different regions of electromagnetic spectrum.

   OR

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3. (P) Which are special characteristics of electromagnetic radiation ?
4. (Q) Describe principle and theory of UV-visible spectrophotometer.
5. (A) What are the important aspects used to study the NMR spectra ?
6. (B) Which are the main principles of working involved in mass spectroscopy ?

   OR

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7. (P) Describe the experimental method used in NMR spectroscopy with respect to all their instrument parts
8. (Q) What is mass spectrum ? Explain in detail.
9. (A) Explain the theory of gas chromatography.
10. (B) Which are the various applications of HPLC ?

    OR

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11. (P) Discuss the characteristic feature of HPLC.
12. (Q) What is chromatography ? Draw a well labelled diagram showing classification of chromatographic method.
13. (A) Chemical industries consume bulk of the catalysts for various processes. Describe oxidation catalyst with example.
14. (B) What is catalyst ? Compare homogeneous and heterogeneous catalysts with their importance.

    OR

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15. (P) Morphology of catalyst is more important, why ? Explain in detail.
16. (Q) Reforming operation is important part of petroleum industries. Describe advances in these reforming catalyst composition.
17. (A) What is biomass ? Describe the importance of biomass as a resource for various chemicals.
18. (B) Due to oil crisis; "coal is an alternative to petroleum oil". How ? Explain with examples.

    OR

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19. (P) Why integrated petrochemical complexes are established ? Explain in detail with advantages of these integrated complexes.
20. (Q) What is synthetic fuel ? Why hydrogen is fuel of tomorrow ? Give the advantages of hydrogen fuel.
21. (A) What is air pollution ? Describe air pollution by chemical industries.
22. (B) What is BOD (Biological Oxygen Demand) ? Explain this term in detail.

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23. (P) How COD of water is calculated ? Why ? Explain with respect to reagent required, formula and procedure.
24. (Q) What is pH of water ? Explain this pH term in detail.

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