Master of Science I (Nanotechnology) Examination: Oct/Nov 2016
Semester I (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR ST
746
Friday
18/11/2016
10:30 AM
to
01:00 PM
Fundamentals of
Nanotechnology in
Chemistry
C
HCT 1.2
Instructions: Part I Question is compulsory.
Attempt any four questions from part II.
Figures to the right indicate full marks.
Answers to the part I and part II are to be written in same
answer booklet only.
Total Marks: 70
Part I
Q.1 Rewrite the sentences after choosing the correct answer from the given
alternatives:
08
do not follow the octer rule for election distribution.
H2O PH3
CH4 PCI5
The region is space around the nucleus in which probability of finding an
electron is maximum is called an
Orbital Orbit
Sub-shell Shell
The formal charge on an atom of an element is equal to
0 1
2 3
The maximum number of electrons in sub-shells is given by formula
2n2
n2
The term nano was coined by
Robert boyle Richard Feyman
J.J. Thomas Irvin L
Properties of Nanoparticles are based on
Size Surface area
Mass Elasticity
Page 1 of 2
They are types of dimensions in nanomaterials.
Four Five
Six Seven
Define the following: 07
Pauli exclusion principle
Aufbau's principle
Resonance
Carbon
Surface energy
Nanoparticles
Thin film
Part II
Q.2 Explain molecular orbital theory in detail with respect to N2 molecule. 14
Q.3 Explain Bohr's atomic theory, radius and energy level of hydrogen atom. 14
Q.4 Explain Line spectra of hydrogen atom. Calculate frequency of β γ line of
Balmer paschen series.
14
Q.5 Explain the development of nanotechnology. 14
Q.6 Answer any two from the following: 14
Application of carbon nanomaterials
Describe chalcogenides
Describe nano metals
Q.7 Write short notes on: (any two) 14
Nano -crystal
Quantum dots
Nanowires