Which of the following reactions produce carb | vedclass

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(B) $MnO_2$ is a mild oxidizing agent and does not oxidize ketones like $CH_3COCH_3$ to carboxylic acids.$(b)$ $Ph-CCl_3$ undergoes hydrolysis with aq

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$b, c, d$

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(B) $MnO_2$ is a mild oxidizing agent and does not oxidize ketones like $CH_3COCH_3$ to carboxylic acids.$(b)$ $Ph-CCl_3$ undergoes hydrolysis with aqueous $NaOH$ followed by acidification to form benzoic acid $(PhCOOH)$. This is a correct reaction.$(c)$ Alkyl halides react with $Mg$ to form Grignard reagents $(RMgX)$,which react with $CO_2$ followed by hydrolysis to yield carboxylic acids. This is a correct reaction.$(d)$ Vigorous oxidation of internal alkenes like $CH_3CH=CHCH_3$ with acidified $K_2Cr_2O_7$ cleaves the double bond to form two molecules of acetic acid $(CH_3COOH)$. This is a correct reaction.Therefore,reactions $(b)$,$(c)$,and $(d)$ produce carboxylic acids.

$a$. $\text{Toluene} \xrightarrow[(ii) H^+/H_2O]{(i) CrO_2Cl_2/CS_2}$	$p$. $\text{Kolbe's electrolysis}$
$b$. $CH_3COOK \xrightarrow{\text{electrolysis}}$	$q$. $\text{Etard reaction}$
$c$. $CH_3Br \xrightarrow{Na, \text{dry ether}}$	$r$. $\text{Wurtz reaction}$
$d$. $\text{Benzene} \xrightarrow{CH_3Cl, AlCl_3}$	$s$. $\text{Friedel-Crafts alkylation}$

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