Which of the following is most stable?

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(C) The stability of a carboxylate ion $(R-COO^-)$ is increased by electron-withdrawing groups $(EWG)$ and decreased by electron-donating groups $(EDG

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$3,5-$Dinitro$-4-$cyanobenzoate ion

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(C) The stability of a carboxylate ion $(R-COO^-)$ is increased by electron-withdrawing groups $(EWG)$ and decreased by electron-donating groups $(EDG)$ attached to the benzene ring.$1.$ The $-NO_2$ group is a strong electron-withdrawing group ($-I$ and $-M$ effect).$2.$ The $-CN$ group is also an electron-withdrawing group ($-I$ and $-M$ effect).$3.$ The $-CH_3$ group is an electron-donating group ($+I$ and hyperconjugation).Comparing the options:- Option $A$ has one $-NO_2$ group.- Option $B$ has one $-CN$ group.- Option $C$ has two $-NO_2$ groups and one $-CN$ group,all of which are strong electron-withdrawing groups. This combination significantly disperses the negative charge on the carboxylate group,making it the most stable.- Option $D$ has a $-CH_3$ group,which destabilizes the carboxylate ion.Therefore,the ion with the most electron-withdrawing groups is the most stable.

Similar Questions

Identify $A$ and $B$ in the following reaction:
$CH_3-CH_3 \stackrel{B}{\longleftarrow} CH_3COOH \stackrel{A}{\longrightarrow} CH_3CH_2OH$
$A \quad B$

The relative acidic strengths of benzoic acid,$o-$toluic acid and $p-$toluic acid are in the decreasing order:

How many organic products will be formed when the following compound undergoes decarboxylation?
(Image: $A$ substituted cyclopentane ring with two $-COOH$ groups at the same carbon atom,and two $-CH_3$ groups at adjacent carbons.)

Explain the following and provide reasons:
$(i)$ Carboxylic acid compounds are acidic in nature.
$(ii)$ Carboxylic acid compounds are more acidic than phenol compounds.

The descending order of acidity for the following carboxylic acids is:
$A.$ $CH_3COOH$
$B.$ $F_3C-COOH$
$C.$ $ClCH_2-COOH$
$D.$ $FCH_2-COOH$
$E.$ $BrCH_2-COOH$
Choose the correct answer from the options given below:

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