(C) Chlorobenzene undergoes electrophilic aromatic substitution (nitration) when treated with a mixture of conc. $HNO_3$ and conc. $H_2SO_4$.Because t

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Mixture of $1-$chloro$-4-$nitrobenzene and $1-$chloro$-2-$nitrobenzene

(C) Chlorobenzene undergoes electrophilic aromatic substitution (nitration) when treated with a mixture of conc. $HNO_3$ and conc. $H_2SO_4$.Because the chlorine atom is ortho/para-directing due to the resonance effect,the nitration occurs at both the $ortho$ and $para$ positions.Therefore,the reaction yields a mixture of $1-$chloro$-2-$nitrobenzene ($ortho$-isomer) and $1-$chloro$-4-$nitrobenzene ($para$-isomer).

Class 12 Chemistry Haloalkanes and Haloarenes Properties of Haloarenes

Medium

Identify the product formed from chlorobenzene on heating with conc. $HNO_3$ in the presence of conc. $H_2SO_4$.

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A
Only $1-$chloro$-4-$nitrobenzene
B
$1-$chloro$-2-$nitrobenzene
C
Mixture of $1-$chloro$-4-$nitrobenzene and $1-$chloro$-2-$nitrobenzene
D
$2,4,6-$trinitrochlorobenzene

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Haloalkanes and Haloarenes

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Properties of Haloarenes

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The only $o, p-$ directing group which is deactivating in nature is

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Match the reactants in Column-$I$ with their products in Column-$II$.
Column-$I$ (Reactants) Column-$II$ (Products)
$(A)$ $p$-Nitrochlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 443 \ K}$ $(i)$ Phenol
$(B)$ Chlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 623 \ K, 300 \ atm}$ $(ii)$ $2,4,6$-Trinitrophenol
$(C)$ $2,4$-Dinitrochlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 368 \ K}$ $(iii)$ $2,4$-Dinitrophenol
$(D)$ $2,4,6$-Trinitrochlorobenzene $\xrightarrow{Warm \ H_2O}$ $(iv)$ $p$-Nitrophenol

Column-$I$ (Reactants)	Column-$II$ (Products)
$(A)$ $p$-Nitrochlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 443 \ K}$	$(i)$ Phenol
$(B)$ Chlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 623 \ K, 300 \ atm}$	$(ii)$ $2,4,6$-Trinitrophenol
$(C)$ $2,4$-Dinitrochlorobenzene $\xrightarrow[(ii) H^+]{(i) NaOH, 368 \ K}$	$(iii)$ $2,4$-Dinitrophenol
$(D)$ $2,4,6$-Trinitrochlorobenzene $\xrightarrow{Warm \ H_2O}$	$(iv)$ $p$-Nitrophenol

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