A photon of visible light has a wavelength of . Calculate its
(i) wavenumber
(ii) frequency
(iii) energy per mol
The wavelength of the photon is 550 nm, which is 5.50 × 10⁻⁷ m or 5.50 × 10⁻⁵ cm. (i) The wavenumber is the reciprocal of the wavelength in centimeters, ______ ________ _________ ________ __________ _______ _______.
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Which of the following systems will show electron spin resonance (ESR) spectrum? (i) H (ii) (iii)
(iv)
(v)
(vi)
Which of the following systems will show electron spin resonance (ESR) spectrum? (i) H (ii) (iii)
(iv)
(v)
(vi)
What is the importance of spectroscopy in structure determination?
The molecule has 3 fundamental vibrational frequencies. One is Raman active and two are IR active. Identify the structure of the molecule.
What is meant by a selection rule? Give the selection rule for a rotating diatomic molecule modelled as a rigid rotator.
What is the photoelectric effect? Write the equation of Einstein’s photoelectric law.
Predict the number of signal and multiplicity of peaks in the spectrum of the following compounds:
a) 2,5-Dimethylhexane
b) Cyclohexanol