The position of the OH resonance of phenol varies with concentration is solution, as the following table
Question:
The position of the OH resonance of phenol varies with concentration is solution, as the following table shows. On the other hand, the hydroxyl proton of o-hydroxyacetophenone appears at 12.05 ppm and does not show any great shift upon dilution. Explain.
Concentration w/c in CCI 4 (ppm)
100%.................................................................7.45
20%...................................................................6.75
10%...................................................................6.45
5%.....................................................................5.95
2%.....................................................................4.88
1%.....................................................................4.37
Organic Chemistry
ISBN: 978-1118133576
11th edition
Authors: Graham Solomons, Craig Fryhle, Scott Snyder