Spectroscopy Which of the following components of a monochromator is the dispersing element? The collimating lens The entrance slit The diffraction grating None of these The collimating lens The entrance slit The diffraction grating None of these ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following is not an IR vibrational mode? Scissoring Stretching Rolling Rocking Scissoring Stretching Rolling Rocking ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following will oscillate the fastest? A large mass on a stiff spring A small mass on a weak spring A large mass on a weak spring A small mass on a stiff spring A large mass on a stiff spring A small mass on a weak spring A large mass on a weak spring A small mass on a stiff spring ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Where does a carbonyl (C=0) stretch appear in an IR spectrum? 3640-3250 1740-1720 1870-1650 160-110 3640-3250 1740-1720 1870-1650 160-110 ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following relationships between absorbance and %transmittance is incorrect? A = log10 100 / %T All are correct A = log10 1 / T A = 2 - log10 %T A = log10 100 / %T All are correct A = log10 1 / T A = 2 - log10 %T ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy UV-Vis spectroscopy of organic compounds is usually concerned with which electronic transition(s)? none of these σ → σ* n → π* and π → π* n → σ* none of these σ → σ* n → π* and π → π* n → σ* ANSWER DOWNLOAD EXAMIANS APP
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