WorksheetsSpectroscopy
Total questions: 10
Worksheet time: 3mins
Homonuclear diatomic molecules with no permanent dipole moment show
Vibrational spectroscopy
Rotational spectroscopy
Electronic spectroscopy
NMR
In vibrational analaysis of a band system the energy of the v=--- level is taken as zero
0
1
2
3
In V" progression
V' varies & v" is constant
V" varies & v' is constant
Both varies
None of these
A straight line representing a transition between electronic states will be
Inclined with x axis
Inclined with Y axis
Horizontal
Vertical
Which of the following molecules is NMR active
Helium
Carbon
Boron
Oxygen
The type of relaxation in NOE is
Spin spin
Spin Lattice
Dipole Dipole
Can't b predicted
In general Chemical shift is measured in
Ppm
Ppb
Ppt
Cm-1
The intensity ratio of the line CHO in CH3-CHO in NMR is
1:1
1:2:1
1:3:3:1
1:3:1
The frequency in ESR falls in
Gamma ray region
Microwave
RF
IR
The hyperfine structure in ESR is due to
Nuclear spin -spin coupling
Electron spin-spin coupling
Both a and b
Nuclear spin with electronic spi
