NMR need to know

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Last updated 8:54 PM on 6/3/26
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10 Terms

1
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Wheere do carboxylic acid, amides, and ester peaks show up

160-180

more shielded

<p>160-180</p><p></p><p>more shielded </p>
2
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Where do aldehydes and ketones show up on NMR

200-220

Less shielded

<p>200-220</p><p>Less shielded </p>
3
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Alkane hydrogens

1-4

<p>1-4</p>
4
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alkene hydrogens

4-6

<p>4-6</p>
5
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aromatic hydrogens

6-8

<p>6-8</p>
6
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aldehydes

9-10

<p>9-10</p>
7
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carboxylic acids

11-14

<p>11-14</p>
8
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alcohols and amines

1-5

<p>1-5</p>
9
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Integrals

numbers above H NMR idicating how much of each kind of hydrogen there is

<p>numbers above H NMR idicating how much of each kind of hydrogen there is </p>
10
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Splitting

Adjacent Hs split each other, following the N +1 rule

assuming A = 3 and B = 2

A will be split into a triplet as its neighboring atoms = 2 , +1 = 3

AB will be split into a quartet as its neighboring atoms = 3 , +1 = 4

<p>Adjacent Hs split each other, following the N +1 rule</p><p></p><p>assuming A = 3 and B = 2</p><p></p><p>A will be split into a triplet as its neighboring atoms = 2 , +1 = 3</p><p>AB will be split into a quartet as its neighboring atoms = 3 , +1 = 4</p>