This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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B.Tech. Third Semester (Chem. / Poly / Food / Pulp / Oil / Petro) (Old)
Inorganic Chemistry
3SCE1
Pages: 2
Time : Three Hours
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AW - 3550Max. Marks : 80
Notes:
- Due credit will be given to neatness and adequate dimensions.
- Assume suitable data wherever necessary.
- Diagrams and chemicals equations should be given wherever necessary.
- Discuss the reaction, mechanism wherever necessary.
- Use of pen Blue/Black ink/refill only for writing the answer book.
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SECTION - A
- a) Derive the Schrodinger wave equation. 6
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b) State and explain de Broglie's principle. 4
c) Write the postulates of Bohr's theory. 3
OR - a) What are quantum numbers ? Discuss and give the distribution of electrons within the orbital. 6
b) Explain the following : 4--- Content provided by FirstRanker.com ---
i) Atomic number ii) Aufbau principle
c) State and explain Heisenberg's uncertainty principle. 3 - a) What is ionic bond ? Explain with example and properties. 6
b) Explain the following : 8
i) Covalent bond ii) Metallic bond--- Content provided by FirstRanker.com ---
iii) Bond energy iv) Bond length
OR - a) What is meant by lattice energy ? Discuss the Born Haber cycle. 6
b) What is hydrogen bonds ? How are they classified. 4
c) What is hybridisation ? Discuss SP3 hybridisation with example. 4 - a) What is coordinate bond ? Discuss valence bond theory. 6
b) Write the applications of chelates. 4
c) What are the factors affecting the stability of complexes. 3
OR - a) Explain the Werner coordination theory for octahedral complexes. 4
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b) Explain inner and outer orbital complexes. 3
c) Explain the terms : 6
i) Chelate ii) Ligand
iii) Coordination number
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SECTION - B
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- a) What is meant by alloy ? Discuss the magnetic separation method. 5
b) Explain the roasting and calcination with example. 4
c) What is Bronze ? Write their uses. 4
OR - a) Write the importance of ore dressing discuss any two methods. 5
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b) Explain the following : 4
i) Gangue ii) Slag
c) Discuss the froth flotation process. 4 - a) Discuss the manufacturing of glass. 6
b) How the color imported in glass (any four) 4--- Content provided by FirstRanker.com ---
c) What are the basic raw material of ceramics. 4
OR - a) What is meant by refractories ? Describe the manufacturing steps. 6
b) What is potash glass ? Explain the properties and uses. 4
c) Write the industrial applications of refractories. 4 - a) Discuss the industrial manufacturing process of sulphuric acid. 6
b) State the applications of activated carbon. 4
c) Write the names of nitrating agent. 3
OR - a) Discuss the manufacturing process of nitric acid. 6
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b) Write the industrial applications of - 4
i) Activated carbon ii) Rare gas
c) Write the names of sulphonating agent 3
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This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university