Download SGBAU B-Tech 1st Sem Applied Inorganic Chemistry Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 1st Sem Applied Inorganic Chemistry Previous Question Paper

P. Pages : 2
Time : Thxee Hours
B.Tech. F irst Semester ((FPOPC) Polymer (Plastic)) (CGS)
- 11700 : Applied Inorganic Chemistry : 1 SCT 1
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lmm?wm Max. Marks : 80
Notes : 1 Answer three question from section A and three question from section B.
2 Diagrams and chemicals equations should be given wherever necessary.
3. Discuss the reaction, mechanism wherever necessary.
4 Use of pen Bluc/Black ink/re?ll only for writing the answer book.
SECTION - A
l a) Derive Schrodinger wave equation?
b) State and explain dc Broglie's Principle.
0) Write the Postulates of Bohr's theory. 3
OR
2 a) What is ionisation potential? What arc the t?acturs affecting ionisation potential. 6
b) State and explain Autbau Principle. 4
c) Explain electron affinity? How it di?'crs from electronegativity. 3
3 a) De?ne lattice energy? How it is calculated by Bom-Haber cycle.
b) Differentiate covalent and ionic bond. 4
c) Explain the following 4
i) Inert pair effect ii) Metallic bond
0R
4 a) What is meant by hybridisation? Explain SP3 hybridisation with suitable examples.
b) What is hydrogen bond? Classify with suitable example. 5
c) Explain the following 4
i) Coordinate bond ii) Odd electron bond
5 a) What is meant by hardness? Explain the ion exchange process.
b) Calculate temporary and pennancnt hardness of water sample containing 4
Mg(HCO3)2 =7.3 mg/l
Ca(HCO3 )2 =16.3ppm
MgC12 =9.5 ppm
CaSO4 =13.6mg/l
c) Write the disadvantages of hard water in industries. 4
OR
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12.
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b)
C)
b)
C)
a)-
b)
b)
C)
a).
b)
What .5 softening ofwutcr'? Describe Zeolitc process with advantages and limitation.
\Nrite the effect ot?watcr on ruck and mincrals.
Differcntiale scale and sludge formation.
SECTION ~ B
What ?5 Ore? Describe froth ?otation process.
What are compositions ot?bronzc?.? ?iSCUSS their properties and applications.
Why alloys required? Write any four pomts.
OR
Discuas magnetic separation and Cumin separation method.
Explain with reaction
i) Calcination ii) Roasting
What is Brass? Give its properties and uses.
What are the factors affecting on corrosion.
Explain the following
i) Galvanic corrosion ii) \Valcrlinc corrosion
What is cathodic conosion?? Discuss impressed current cathodic protection.
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Explain the follovdng
i) Fitting corrosion
ii) Irttcrgranular corrosion
iii) S;ress corrosion
What is wet corrosion? Discuss the mschanism.
Discuss the manufacturing process of Portland cement by wet method.
What is meant by refractory? (i?lassi (?5?.
Give the composition and uses of
i) Soda glass in Borosilicate glass
OR
Discuss the manufacture process 0f glass.
Why cement called Portland cement? Ex plain the role ofGypsum in cement.
Write any two properties and use: 01? rciractory.
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