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1. |
Arrange the following carboxylic acids with increasing order of their acidic strength and justify your answer. |
Answer» The increasing order of acidity will be 1 < 3 < 2. Acidity depends on mainly two factors : (1) ease of proton release (2) stability of conjugate base formed. In example (3) the ether O exerts a I effect and is closer to COOH group than in 2 (1 effect diminishes). Also the conjugate base formed will be stabilized by the same – I effect by delocalization of charge. |
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