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Q. Order of the base strength of the compoundsChemistry Question Image

AMUAMU 2010Aldehydes Ketones and Carboxylic Acids

Solution:

As the electronegativity of electron donating atom decreases, base strength increases.
The order of electronegativity is
$C<\, N<\,O$
But $CH_{3}COO^{-}$ and $C_{6}H_{5}O^{-}$ both have $O$ as donor atom, thus their basicity is decided by resonance. $CH_{3}COO^{-}$ being more resonance stabilised, is less basic. Thus, the order of base strength of the given compounds is
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