This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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B.Sc. (Part-IIT) Semester—VI Examination
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PETROCHEMICAL SCIENCETime : Three Hours] [Maximum Marks : 80
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 :
- catalyst constitute a different phase in the reaction medium.
- The is defined as the number of waves which can pass through a point in one second.
- LNG is the important feed stock for ~ type of HC.
- The of the catalyst includes its constituents, physical form, the texture and structure.
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(B) Choose the correct alternative :
- solvent produces greatest migration and this gives better separation.
(a) Polar (b) Non-polar
(c) Anti-polar (d) None of the above - 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 - 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 - Hydrogen means clean energy that is :
Hydrogen — Energy +
(a) Water (b) Hydrogen
(c) Oxygen (d) Nitrogen
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(C) Answer in one sentence :
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- What is Pollutant ?
- Define Beer's law.
- What is chromophore ?
- Which catalyst is used in desulfurization process for production of syngas ?
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- (A) Define the following terms :
(i) Wave number.
(it) Wavelength. - (B) What is electromagnetic spectrum ? Discuss different regions of electromagnetic spectrum.
OR
- (P) Which are special characteristics of electromagnetic radiation ?
- (Q) Describe principle and theory of UV-visible spectrophotometer.
- (A) What are the important aspects used to study the NMR spectra ?
- (B) Which are the main principles of working involved in mass spectroscopy ?
OR
- (P) Describe the experimental method used in NMR spectroscopy with respect to all their instrument parts
- (Q) What is mass spectrum ? Explain in detail.
- (A) Explain the theory of gas chromatography.
- (B) Which are the various applications of HPLC ?
OR
- (P) Discuss the characteristic feature of HPLC.
- (Q) What is chromatography ? Draw a well labelled diagram showing classification of chromatographic method.
- (A) Chemical industries consume bulk of the catalysts for various processes. Describe oxidation catalyst with example.
- (B) What is catalyst ? Compare homogeneous and heterogeneous catalysts with their importance.
OR
- (P) Morphology of catalyst is more important, why ? Explain in detail.
- (Q) Reforming operation is important part of petroleum industries. Describe advances in these reforming catalyst composition.
- (A) What is biomass ? Describe the importance of biomass as a resource for various chemicals.
- (B) Due to oil crisis; "coal is an alternative to petroleum oil". How ? Explain with examples.
OR
- (P) Why integrated petrochemical complexes are established ? Explain in detail with advantages of these integrated complexes.
- (Q) What is synthetic fuel ? Why hydrogen is fuel of tomorrow ? Give the advantages of hydrogen fuel.
- (A) What is air pollution ? Describe air pollution by chemical industries.
- (B) What is BOD (Biological Oxygen Demand) ? Explain this term in detail.
OR
- (P) How COD of water is calculated ? Why ? Explain with respect to reagent required, formula and procedure.
- (Q) What is pH of water ? Explain this pH term in detail.
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This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university