557 cards
Infrared spectroscopy measures ____.
The IR spectroscopy frequency for N-H bonds is ____ cm -1
The IR spectroscopy frequency for ____ bonds is 3300 cm -1
The IR spectroscopy frequency range for O-H bonds is ____ cm -1
The IR spectroscopy frequency range for ____ bonds is 3000 - 3300 cm -1
The IR spectroscopy frequency range for CO and CN triple bonds is ____ cm -1
The IR spectroscopy frequency range for ____ bonds is 1900 - 2200 cm -1
The IR spectroscopy frequency for C=O bonds is ____ cm -1
The IR spectroscopy frequency for ____ bonds is 1750 cm -1
The IR spectroscopy frequency range for C=C bonds is ____ cm -1
The IR spectroscopy frequency range for ____ bonds is 1600 - 1680 cm -1
The type of bond indicated in this IR spectroscopy chart is ____.
____The type of bond indicated in this IR spectroscopy chart is N-H.
The types of bonds indicated in this IR spectroscopy chart are ____
The types of bonds indicated in this IR spectroscopy chart are C-H and C=O
The types of bonds indicated in this IR spectroscopy chart are ____
____The types of bonds indicated in this IR spectroscopy chart are O-H and C-O
____ measures the absorption of UV light, which causes movement of electrons between molecular orbitals .
Ultraviolet spectroscopy measures the ____.
____ measures alignment of nuclear spin with an applied magnetic field
Nuclear magnetic resonance spectroscopy measures ____ with an applied magnetic field
Nuclear magnetic resonance spectroscopy measures alignment of nuclear spin with ____
NMR spectra are calibrated using ____, which has a chemical shift of 0 ppm.
NMR spectra are calibrated using tetramethylsilane (TMS), which has a chemical shift of ____.
____ are calibrated using tetramethylsilane (TMS), which has a chemical shift of 0 ppm.
NMR spectra are ____ using tetramethylsilane (TMS), which has a chemical shift of 0 ppm.
The i____s the area under each peak (signal) on the NMR spectrum. It corresponds to the number of protons in that signal .
The integration is ____ .
The integration is the area under each peak (signal) on the ____. It corresponds to the number of protons in that signal .
____ in NMR spectroscopy is when a nucleus' chemical shift is increased due to the removal of electron density, magnetic induction, or othe…
Deshielding in ____ is when a nucleus' chemical shift is increased due to the removal of electron density, magnetic induction, or other eff…
Deshielding in NMR spectroscopy is when ____.
In NMR spectroscopy, the ____ is the position on the δ scale (in ppm) where the peak occurs .
In ____ on the δ scale (in ppm) where the peak occurs .
In NMR spectroscopy, the chemical shift is the position on the ____ occurs .
In NMR spectroscopy, a peak that is deshielded appears ____.
In NMR spectroscopy, a peak that is ____ appears downfield (left).
In NMR spectroscopy, a peak that is shielded appears ____
In NMR spectroscopy, a peak that is ____ appears upfield (right)
When hydrogens are on adjacent atoms, they interfere with each other’s magnetic environment, causing ____
In NMR spectroscopy, the multiplicity of a proton or group of protons is given by the n+1 rule , where n = ____.
In ____ spectroscopy, the multiplicity of a proton or group of protons is given by the n+1 rule , where n = the number of protons on the ad…
In NMR spectroscopy, ____ is given by the n+1 rule , where n = the number of protons on the adjacent (adjoining) carbon atom (atoms).
The hydrogens of a/an ____ ppm.
____The hydrogens of a/an alk yl group have an NMR range of 0.7 - 1.9 ppm.
A/an ____ ppm.
A/an alky nyl hydrogen has an NMR range of 2.5 - 3.0 ppm.
The hydrogens of a/an ____ ppm
The hydrogens of a/an methyl ketone have an NMR range of 2.0 - 2.4 ppm
____ ppm.
Vinylic hydrogens have an NMR range of 4.5 - 6.5 ppm.
The hydrogens of a/an ____ ppm
The hydrogens of a/an a r yl group have an NMR range of 6.5 - 8.0 ppm
The hydrogens of a/an ____ ppm
The hydrogens of a/an ____ ppm
The hydrogens of a/an carboxylic acid group have an NMR range of approximately 11.0 - 12.0 ppm
A mass spectrometer ionizes atoms and molecules with a high-energy electron beam and then deflects the ions through a magnetic field based…
A ____ ionizes atoms and molecules with a high-energy electron beam and then deflects the ions through a magnetic field based on the mass-t…
A mass spectrometer ____ based on the mass-to-charge ratio (\(\frac{m}{z}\)) of the ion.
The largest peak in the mass spectrum, corresponding to the most abundant ion , is called the ____.