What is the requirement of the vibrational mode of a molecule to be Raman active?
See Answer →What is the importance of spectroscopy in structure determination?
In what way is NMR spectrometry different from other molecular spectroscopic methods?
See Answer →30nm fiber
See Answer →Crossing-over
See Answer →Plasmodesmata
See Answer →Apoptosis
See Answer →What is meant by polarizability of a molecule?
See Answer →What makes TMS a molecule of choice to act as a reference in the NMR spectrometry?
See Answer →What is meant by anisotropy of chemical bond? Give an example.
See Answer →Explain the origin of atomic spectrum.
See Answer →Spin-Spin splitting
See Answer →Isomer shift
See Answer →The lifetime of (excited state) is
. If the excited state is
above the ground state determine the linewidth
and ratio
.
What is Mossbauer effect?
See Answer →What are different mechanisms that contribute to the relaxation of nuclear spins in the excited state? Explain any one of them.
See Answer →Which of the following systems will show electron spin resonance (ESR) spectrum? (i) H (ii) (iii)
(iv)
(v)
(vi)
Calculate the ESR frequency of an unpaired electron in a magnetic field of 3000 G (0.3 T).
[Given: ;
; and
]
Major types of ion sources of mass spectrometer.
See Answer →