Master of Science II (Inorganic Chemistry)
Examination: Oct/Nov 2016 Semester IV (New CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
291
Tuesday
22/11/2016
02.30 PM
To
05.00 PM
Chemistry of Inorganic
Materials
C
XV
Instructions: Attempt in all five questions.
Section I is compulsory.
Attempt any two questions from Section II and any two from
Section III
Answer to all questions should be written in same answer book.
All questions carry equal marks.
Figures to the right indicate full marks.
Neat and labeled diagrams should be drawn wherever possible.
Use of log table and calculators is allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
Name the element present in sialons ceramics.
What is glass transition temperature?
Write broadly classification of magnetic materials.
Which phase is present in refractory material?
What is the full form of MASER?
Write equation of magnetic moment of the electron.
Write any two applications of ionic conductors.
Write temperature dependence Arrehenius equation of electrical conductivity.
What is the unit cell of SrTiO3 structure?
Define Superconductivity.
What is the difference between hard and soft magnetic materials?
Give the formula of magneto plumbite.
Write any two methods of preparation of nanomaterials.
According to band theory difference between metals, semiconductors and
insulators depend on which factors?
SECTION II
Q.2 Explain the synthesis of solid, state materials with co-precipitation and precursor
techniques.
07
Explain the Hysteresis curve in magnetism. 07
Q.3 What are dielectric polarizations, explain in details. 07
What is defect and explain the different types of lattice defects in the solids. 07
Q.4 What are challenges, opportunities and scope of nanomaterials. 07
Discuss BCS theory in detail. 07
Page 1 of 2
SECTION III
Q.5 Discuss structure and properties of Pervoskite and Magneto-plumbites. 05
Explain fullerenes as superconductors. 05
Explain nonstoichiometric defect with structural and thermodynamic aspects. 04
Q.6 What are different types of nanomaterial explain in brief. 05
Explain the formation and characteristics of spin glasses. 05
Explain in brief synthesis of solid state material with sol gel techniques. 04
Q.7 Write short notes on any three of the following: 14
Application of ionic conductors
LASER
Manufacturing of nanomaterials
Ceramic materials