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Question

(D) The reactions are matched as follows:$(P)$ Etard reaction uses Toluene as a reactant,which is the product of reaction $(3)$ (Friedel-Crafts alkyla

Vedclass · Accepted Answer

$P$ $\rightarrow 3; Q$ $\rightarrow 4; R$ $\rightarrow 5; S$ $\rightarrow 2$

Vedclass · Answer

(D) The reactions are matched as follows:$(P)$ Etard reaction uses Toluene as a reactant,which is the product of reaction $(3)$ (Friedel-Crafts alkylation of benzene). However,looking at the provided image,the Etard reaction is shown as the final step of sequence $(iii)$,where Toluene is the reactant. The product of reaction $(2)$ is Benzoyl chloride,which is the reactant for Rosenmund reduction $(S)$.$(Q)$ Gattermann reaction uses Benzenediazonium chloride as a reactant,which is the product of reaction $(4)$.$(R)$ Gattermann-Koch reaction uses Benzene as a reactant,which is the product of reaction $(5)$.$(S)$ Rosenmund reduction uses Benzoyl chloride as a reactant,which is the product of reaction $(2)$.Thus,the correct matching is $P$ $\rightarrow 3, Q$ $\rightarrow 4, R$ $\rightarrow 5, S$ $\rightarrow 2$.

List-$I$	List-$II$
$(P)$ Etard reaction	$(1)$ Acetophenone $\xrightarrow{Zn-Hg, HCl}$
$(Q)$ Gattermann reaction	$(2)$ Toluene $\xrightarrow[(ii) SOCl_2]{(i) KMnO_4, KOH}$
$(R)$ Gattermann-Koch reaction	$(3)$ Benzene $\xrightarrow[\text{anhyd. } AlCl_3]{CH_3Cl}$
$(S)$ Rosenmund reduction	$(4)$ Aniline $\xrightarrow[273-278 \ K]{NaNO_2 / HCl}$
	$(5)$ Phenol $\xrightarrow[Zn, \Delta]{ }$

Column-$I$	Column-$II$
$(i)$ Acetic acid	$(a)$ Stephen
$(ii)$ Sodium phenate	$(b)$ Friedel-Crafts
$(iii)$ Methyl cyanide	$(c)$ $HVZ$
$(iv)$ Toluene	$(d)$ Kolbe's

Similar Questions

Match the reactant in Column-$I$ with the reaction in Column-$II$:
Column-$I$ Column-$II$
$(i)$ Acetic acid $(a)$ Stephen
$(ii)$ Sodium phenate $(b)$ Friedel-Crafts
$(iii)$ Methyl cyanide $(c)$ $HVZ$
$(iv)$ Toluene $(d)$ Kolbe's

$CH_3COOH \xrightarrow{LiAlH_4} A$
$A + CH_3COOH \xrightarrow{H_3O^+} B + H_2O$
In the above reactions,'$A$' and '$B$' respectively are:

The reaction sequence$(s)$ that would lead to $o$-xylene as the major product is (are)

The final product $(III)$ obtained in the reaction sequence is:
$CH_3-CH_2-COOH$ $\xrightarrow{PCl_3} I$ $\xrightarrow{C_6H_6/AlCl_3} II$ $\xrightarrow{NH_2-NH_2/\text{base/heat}} III$

The increasing order of the acidity of the following carboxylic acids is:

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