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| 1. |
Arrange the following compounds in increasing order of acidity and give a suitable explanation. Phenol, o-nitrophenol, o-cresol. |
| Answer» Solution :Due to -I and -R-effect of the `NO_(2)` group, o-nitrophenol is a stronger acid than phenol but do to +I-effect of the `CH_(3)` group, o-cresol is a weaker acid than phenol. Thus, acid strength of these THREE phenols increases in the order: o-cresolltphenollto-nitrophenol. | |