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Download SGBAU BSc 2019 Summer 6th Sem Industrial Chemistry Instrumental Methods Of Chemical Analysis Green Chemistry Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 6th Sem Industrial Chemistry Instrumental Methods Of Chemical Analysis Green Chemistry Previous Question Paper

This post was last modified on 10 February 2020

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—YI Examination

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INDUSTRIAL CHEMISTRY (R/V)
(Instrumental Methods of Chemical Analysis, Green Chemistry)
Time : Three Hours] [Maximum Marks : 80

Note :— (1) Question No. 1 is compulsory and carries 8 marks.
(2) Remaining questions carry 12 marks each.

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(3) Give chemical equations and draw diagrams wherever necessary.
(4) Use of scientific calculator is allowed.

  1. (A) Fill in the blanks :
    1. The small quantity removed from the bulk for analysis is called __________
    2. Precision is defined as the degree of agreement between repeated measurement of __________ quantity.
    3. In all chromatographic techniques, difference in affinity involves the process of either adsorption or __________
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    5. Anion exchangers are cross linked high molecular weight polymers containing __________ groups.

    2

  2. (B) Choose the correct alternatives :
    1. Paper chromatography is practically suitable for :
      (a) Ion exchange (b) Partition

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      (c) Adsorption (d) Size exclusion
    2. Picric acid is __________ coloured dye.
      (a) Red (b) Blue
      (c) Black (d) Yellow
    3. Which of the following is not the basic component of X-ray fluorescence instrumentation ?

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      (a) Goniometer (b) Column
      (c) Collimator (d) Diffracting crystal
    4. In chromatography on stationary phase the substance gets :
      (a) Reabsorbed (b) Absorbed
      (c) Adsorbed (d) None of these
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    2

  3. (C) Answer in one sentence :
    1. Define ion exchange capacity.
    2. What is auxochrome ?
    3. Define sampling.
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    5. What is a dye ?

    4

UNIT-I

  1. (a) Give an account of sampling techniques of gases. 4

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    (b) Explain the terms :
    (i) Mean deviation (ii) Relative standard deviation 4
    (c) Discuss the types of errors. 4
    OR
  2. (p) Discuss the technique of volumetric analysis. 4

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    (q) Explain the process of sampling of solids. 4
    (r) Discuss :
    (i) Standard deviation
    (ii) Confidence limit. 4

UNIT-II

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  1. (a) Discuss the technique of paper chromatography. 4
    (b) Give an account of thin layer chromatography with applications. 4
    (c) Discuss the applications of HPLC. 4
    OR
  2. (p) Discuss the applications of chromatography in general. 4

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    (q) Define chromatography. Give classification of chromatographic techniques. 4
    (r) Explain the principle and techniques of Gas Liquid Chromatography (GLC). 4

UNIT-ITI

  1. (a) Explain the experimental requirements and factors affecting column efficiency. 6
    (b) Discuss the techniques of solvent extraction. 6

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    OR
  2. (p) Define ion exchange. Discuss the ion exchange capacity of resins. 6
    (q) Describe factors affecting solvent extraction and application of solvent extraction in industries. 6

UNIT-1V

  1. (a) Explain the technique of X-ray fluorescence with its applications. 6

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    (b) Describe the principle, techniques and application of IR spectroscopy. 6
    OR
  2. (p) Give an account of elementary theory of flame photometry. 6
    (q) Draw and explain X-ray fluorescence spectrophotometer. 6

UNIT-V

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  1. (a) How are dyes classified as acid and basic dyes ? 4
    (b) Explain the preparation and uses of Indigo dye. 4
    (c) Discuss the manufacture of aurine dye. 4
    OR
  2. (p) Discuss crystal violet dye with respect to its preparation and uses. 4

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    (q) Explain chromophores and auxochromes. 4
    (r) Describe the preparation of picric acid with uses. 4

UNIT-VI

  1. (a) Explain the goals of Green Chemistry. 6
    (b) Discuss the principles of Green Chemistry. 6

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    OR
  2. (p) Explain the basic components of green chemistry as alternative starting materials and alternative product and target molecules. 6
    (q) Explain the following
    (i) Green solvent
    (ii) Bio catalysis

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    (iii) Green fuels. 6

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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