Class 12Chemistry8-2.Carboxylic acids and Their derivativeProperties of Carboxylic Acids and Their Derivatives
MediumCompare the acidity among mineral acids,carboxylic acids,phenols,and alcohols.
(N/A) Mineral acids are stronger than carboxylic acids because they completely dissociate in water.
Carboxylic acids are stronger acids than phenols and alcohols because the carboxylate ion is stabilized by resonance,where the negative charge is delocalized over two electronegative oxygen atoms.
Phenols are more acidic than alcohols because the phenoxide ion is stabilized by resonance with the benzene ring.
Alcohols are the least acidic among these as the alkoxide ion is not stabilized by resonance.
The order of acidic strength is: $\text{mineral acid} > \text{carboxylic acid} > \text{phenol} > \text{alcohol}$.
Carboxylic acids are stronger acids than phenols and alcohols because the carboxylate ion is stabilized by resonance,where the negative charge is delocalized over two electronegative oxygen atoms.
Phenols are more acidic than alcohols because the phenoxide ion is stabilized by resonance with the benzene ring.
Alcohols are the least acidic among these as the alkoxide ion is not stabilized by resonance.
The order of acidic strength is: $\text{mineral acid} > \text{carboxylic acid} > \text{phenol} > \text{alcohol}$.
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Similar Questions
Which of the following acids has the highest $pK_{a}$ value?
How many of the following compounds react with $NaHCO_3$ to evolve $CO_2$ gas?
$I$: $3$-Nitrophenol
$II$: $2,4$-Dinitrophenol
$III$: $4$-Hydroxybenzoic acid
$IV$: $4$-Methylbenzoic acid
$V$: $4$-Chlorophenol
$VI$: $2,4$-Dinitrotoluene
$VII$: $4$-Hydroxybenzenesulfonic acid
$VIII$: $4$-Sulfobenzoic acid
$IX$: Squaric acid
$X$: Maleic acid
$I$: $3$-Nitrophenol
$II$: $2,4$-Dinitrophenol
$III$: $4$-Hydroxybenzoic acid
$IV$: $4$-Methylbenzoic acid
$V$: $4$-Chlorophenol
$VI$: $2,4$-Dinitrotoluene
$VII$: $4$-Hydroxybenzenesulfonic acid
$VIII$: $4$-Sulfobenzoic acid
$IX$: Squaric acid
$X$: Maleic acid
The product $(B)$ is:
Difficult
View SolutionDecarboxylation of malonic acid gives:
The decreasing order of acid strengths for the following compounds is: $Ph-OH$ $(A)$,$Ph-CH_2-OH$ $(B)$,$Ph-CO_2H$ $(C)$,$Ph-CH_2-NH_3^+$ $(D)$
Medium
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