TBR Ochem: NMR Integration Question

[justadream]

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TBR Ochem page 210 #30

See picture.

How do you know that the integration values for the three peaks are: 1:2:2 (this is what TBR says in the answer key)

If you count the “plateaus”, the 2 peaks on the right side have 3 plateaus.

 

[t5Nitro]

TBR Ochem page 210 #30

See picture.

How do you know that the integration values for the three peaks are: 1:2:2 (this is what TBR says in the answer key)

If you count the “plateaus”, the 2 peaks on the right side have 3 plateaus.

The size of the integration is what matters. About two of the one on the left equals the size of one of those on the right.

 

[justadream]

@t5Nitro

Okay that's simple. So just for curiosity's sake, what do those humps mean?