Chemistry - Aromatic Hydrocarbon Question with Solution | TestHub

(P) $\mathrm{H}=\mathrm{H}$

(1) Scheme I

?$\underset{\left(iii\right)SOOC{l}_2\left(iv\right)N{H}_3}{\overset{\text{ (i) }{\mathrm{KMnO}}_4,\mathrm{HO}\text{, heat (ii) }{\mathrm{H}}^{\oplus },{\mathrm{H}}_2\mathrm{O}}{\to }}{\mathrm{C}}_7{\mathrm{H}}_6{\mathrm{N}}_2{\mathrm{O}}_3$

(Q)

(2) Scheme II

$?\stackrel{\begin{array}{l}\text{ (i) }\mathrm{Sn}/\mathrm{HCl}\text{ (ii) }{\mathrm{CH}}_3\mathrm{COCl}\text{ (iii) conc. }{\mathrm{H}}_2{\mathrm{SO}}_4\\ \text{ (iv) }{\mathrm{HNO}}_3\text{ (v) dil. }{\mathrm{H}}_2{\mathrm{SO}}_4\text{, heat (vi) }{\mathrm{HO}}^{\ominus }\end{array}{\mathrm{C}}_6{\mathrm{H}}_6{\mathrm{N}}_2{\mathrm{O}}_2}{\to }$

(R)

(3) Scheme III $?\stackrel{\begin{array}{l}\text{ (i) red hot iron, }873\mathrm{K}\text{ (ii) fuming }{\mathrm{HNO}}_3,{\mathrm{H}}_2{\mathrm{SO}}_4\text{, heat }\\ \text{ (iii) }{\mathrm{H}}_2\mathrm{S}.{\mathrm{NH}}_3\text{ (iv) }{\mathrm{NaNO}}_2,{\mathrm{H}}_2{\mathrm{SO}}_4\text{ (v) hydrolysis }\end{array}}{\to }{\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NO}}_3$

(S)

(4)

$$?\underset{\left(\mathrm{i}i\right)Con.HN{O}_{3,Conc.}{H}_{2}S{O}_4\left(iii\right)dil{H}_{2}S{O}_4,heat}{\overset{(i)con.H_{2}S{O}_{4,}60℃}{\to }}{\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{N}}_{}{\mathrm{O}}_4$$