UNIT-3 SPECTROSCOPY AND CHROMATOGRAPHY

Quiz
•
Chemistry, Physics
•
University
•
Hard
Balaji Gupta Tiruveedhi
Used 16+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The source of UV light is
Nernst globar
Hg lamp
Tungsten filament
H2 lamp
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The functional gruoup of a molecule can be characterised by using
UV spectroscopy
Mass spectroscopy
IR spectroscopy
NMR spectroscopy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The type of electrons present in carbonyl compound are
Sigma electrons
Pi electrons
Non bonding electrons
All of these
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In UV spectroscopy, the functional group capable of electronic transition is known as
Auxochrome
Chromophore
Monochrome
Auxillary group
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mostly used spectroscopic detector in HPLC is
NMR
UV
IR
Mass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
IR radiation can bring change in
Electronic excitaiton
Vibrational change
Change in rotational levels
Molecule fragmentation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In order to be IR active, the molecule should have
Dipole moment
Double bond
Triple bond
Lower energy of excitaiton
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