Spectroscopy (numbers) Flashcards by Emma Djabali

Q

IR: 3300 sharp?

A

N-H

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Q

IR: 3300 broad?

A

O-H

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Q

NMR: 6-8.5 ppm?

A

Aromatic

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Q

NMR: 10.5-12 ppm?

A

Carboxylic acid

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Q

NMR: 0-3 ppm?

A

Alkyl

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Q

IR: 1750 sharp?

A

C=O

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Q

NMR: 2-3 ppm?

A

Alkyne

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Q

NMR: 9-10 ppm?

A

Aldehyde

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Q

NMR: 4.6 - 6 ppm?

A

Alkene

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Q

NMR: 1 - 5.5?

A

Alcohol H

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Q

When is UV spectroscopy best used?

A

with conjugated systems of double bonds

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