Q. Arrange the following acids in order of their increasing acidity.Chemistry Question Image

 5447  199 AMUAMU 2011Aldehydes Ketones and Carboxylic Acids Report Error

Solution:

Electron-donating substituents tend to decrease while electron-withdrawing substituents tend to increase the acidic strength of substituted benzoic acids relative to benzoic adds. However, due to ortho-effect, -nitro-benzoic add is the stronger add then -nitrobenzoic add.
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