M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Nano-Technology
FUNDAMENTALS OF NANO TECHNOLOGY IN CHEMISTRY
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Part-I, question 1 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.
Part I
Q.1 Rewrite the sentence after choosing correct answer from the given
alternatives:
07
The four quantum number of the 19th electron in Ti are
n l 1,m s
n l 0,m s
n l 2,m s
n l 2,m −1, s
has a non-spherical shell of electrons.
He Be
B Li
A chemical bond formed by sharing pair of electrons between atoms
called
Covalent bond Ionic bond
Co-ordinate bond Hydrogen bond
The energy required break a bond called as
Electronegativity Redox potential
Bond energy Potential energy
Chalcogenide is a chemical compound consisting of at least one

Chalcogen anion Cluster
Atomic assembly Metalloid
Carbon nanotubes are allotropes of
Oxygen Carbon
Citrate Mineral
are zero dimension materials.
CNT Film
Quantum dots Flux
Page 2 of 2
SLR-MU-706
Q.1 Define the following: 07
Hund's Rule
Orbital
Octet rule
Nanoscale
Metals
Crystal
Lattice
Part II
Answer any four of the following:
Q.2 Explain quantum mechanical model calculate all quantum numbers of 16th
electron of Chlorine atom.
14
Q.3 Explain 'Covalent bonding' and elaborate quantum mechanical approach to
covalent bonding.
14
Q.4 Explain Molecular Orbital theory with CO molecule as examples. 14
Q.5 Explain the carbon nanomaterials. 14
Q.6 Answer any two from the following: 14
Applications of chalcogenides.
Describe boron nitrile.
Describe zero dimension materials.
Q.7 Write short notes on. (Any two) 14
Two dimension nanomaterials
Ultra-thin film
Phonon density