What is the order of acidic strength for the | vedclass

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Question

(D) The acidic strength of phenols depends on the nature of the substituent attached to the benzene ring.$-NO_2$ is an electron-withdrawing group $(EW

Vedclass · Accepted Answer

$IV < III < I < II$

Vedclass · Answer

(D) The acidic strength of phenols depends on the nature of the substituent attached to the benzene ring.$-NO_2$ is an electron-withdrawing group $(EWG)$,which increases acidic strength by stabilizing the phenoxide ion through $-I$ and $-M$ effects.$-CH_3$ is an electron-donating group $(EDG)$,which decreases acidic strength by destabilizing the phenoxide ion through $+I$ and hyperconjugation effects.Comparing the compounds:$IV$ ($p$-nitrophenol) has the strongest $-M$ effect from the $-NO_2$ group at the para position.$III$ ($m$-nitrophenol) has only the $-I$ effect from the $-NO_2$ group.$I$ is phenol itself.$II$ ($p$-cresol) has the $+I$ effect from the $-CH_3$ group.Thus,the correct order of acidic strength is $IV > III > I > II$.

Group-$I$ (Compound)	Group-$II$ (Use)
$A$. Alcohol	$1$. Antiseptic
$B$. Phenol	$2$. Perfumes
$C$. Ether	$3$. Detergents
$D$. Amine	$4$. Dyes

What is the order of acidic strength for the following compounds?

Similar Questions

Consider the following methods $:$
$I$: Hydration of olefins
$II$: Hydrolysis of alkyl halide
$III$: Reduction of carbonyl compounds
Which of these can be used to prepare alcohols ?

$A$ new carbon-carbon bond formation is possible in

Consider all steps and intermediates. Which of the following is a correct statement?

Match the compounds in Group-$I$ with their uses in Group-$II$. Find the correct match for Group-$I$ from Group-$II$.

Group-$I$ (Compound) Group-$II$ (Use)

$A$. Alcohol $1$. Antiseptic

$B$. Phenol $2$. Perfumes

$C$. Ether $3$. Detergents

$D$. Amine $4$. Dyes

$p-$Cresol reacts with chloroform in an alkaline medium to give compound $A$,which reacts with hydrogen cyanide to form compound $Y$. Hydrolysis of $Y$ gives a chiral carboxylic acid. Identify the structure of the carboxylic acid.

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