Q. The order of acidic strength of following acids isChemistry Question Image

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Solution:

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Aromatic carboxylic acids are stronger to aliphatic carboxylic acids.
Acidic strength order: (iii) (ii) (i) [Option-(a)]
* If (i) is 4 -ethylbenzoic acid, answer will be option-(c), but it is not given in (i).