Spectroscopy
UV-Vis spectroscopy of organic compounds is usually concerned with which electronic transition(s)?

n → π* and π → π*
n → σ*
σ → σ*
none of these

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Spectroscopy
Vibrational spectroscopy is

an Infrared spectroscopy
a flashlight through a prism and shake it
a class of spectroscopic techniques which analyzes molecular motions
a large mass on a weak spring

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Spectroscopy
In the past, IR spectra had to be aquired one wavelength at a time, which took a long time. Today quick spectra is due to the

light is faster today that it used to be
the Fourier Transfer Algorithm allows us to scan all frequencies at once
absence of broad spectrum of wavelenth
None of these

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