If a proton is bound to an electronegative atom, like oxygen, there is less disruption felt in the magnetic field experienced by the proton and the group is moved to a higher ppm on a 1H NMR spectrum. True or false?
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Card 7
Front
Why doesn't the size of the peak in a 13C NMR spectrum relate to the number of carbon atoms in that environment?
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Card 8
Front
Why do all peaks in 13C spectra appear as singlets?
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Card 9
Front
Carboxylic acids produce a broad peak on IR spectra. True or false?
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Card 10
Front
When an analyte is exposed to infrared light, it causes a change in the vibrational state of its bonds. Different bonds absorb different frequencies of IR light so a spectra can be obtained. True or false?
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Card 11
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Solid state analysis cannot be used in the examination of crystals. True or false?
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Card 12
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What is the name given to non-crystallised solids with no ordered state, making it go into solution much more easily?
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Card 13
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What is the name given to the technique in which x-rays are fired at planes within a powder which results in a less distinct (but still regular) diffraction pattern?
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Card 14
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Radiation in the UV-Vis region of the EM spectrum has the correct energy to excite electrons in one orbital to an orbital of a higher energy. True or false?
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Card 15
Front
The Beer-Lambert law states that concentration is proportional to absorbance for a particular compound run on a particular machine. True or false?
