MCQ
Aniline under acidic medium, when chlorinated, produces :
- A$o-$ chloro aniline
- ✓$m-$ chloro aniline
- C$p-$ chloro aniline
- DMixture of ortho and para-chloro aniline
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$(I)$ $CH_3COO^{\Theta}$ $(II)$ $CH_3O^{\Theta}$
$(III)$ $CH_3CH_2^{\Theta}$ $(IV)$ $CH_3SO_3^{\Theta}$

$C{H_4}(g) + 2{O_2}(g) \to C{O_2}(g) + 2{H_2}O(l)$ ;
${\Delta _r}{H_{300}} = - 212.7\ Kcal / mol$ .
The absolute value of ${\Delta _r}U_{300}^o$ for this reaction is .......$Kcal\,/\,mol$ $(R = 2\ cal/mol-K)$