Spectroscopy

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The molecular ion M+ is the positive ion formed when a molecule loses an
Electron
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What goes on the y axis of a mass spectrum
Relative intensity
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What isotope of carbon is responsible for a small M+1 peak
Thirteen
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In the mass spectrometer some molecular ions break down into smaller pieces known as fragments in a process known as
Fragmentation
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The other peaks in a mass spectrum are cause by
Fragment ions
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What are the two species the simplest fragmentation breaks a molecular ion into
Fragment anion and radical
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Bend vibration results in change in?
Bond angle
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The amount a bond stretches or bend depends on?
Mass and strength
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What range is the IR radiation used
200-4000cm-1
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Absorbance peak of an alcohol
3200-3600cm-1
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Absorbance peak of an aldehyde or ketone
1630-1820cm-1
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Absorbance peak of a carboxylic acid
1630-1820cm-1
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Application of spectroscopy
Breathalyser
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Use of percentage composition data to determine the empirical formula
Elemental analysis
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Other cards in this set

Card 2

Front

What goes on the y axis of a mass spectrum

Back

Relative intensity

Card 3

Front

What isotope of carbon is responsible for a small M+1 peak

Back

Preview of the front of card 3

Card 4

Front

In the mass spectrometer some molecular ions break down into smaller pieces known as fragments in a process known as

Back

Preview of the front of card 4

Card 5

Front

The other peaks in a mass spectrum are cause by

Back

Preview of the front of card 5
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