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Match the four starting materials ( \( \mathrm{P}, \mathrm{Q}, \mathrm{R}, \mathrm{S} \) ) given in List-I with the corresponding reaction schemes (I, II, III, IV) provided in List-II and select the correct answer using the code given below the lists.
List-I
List-II
\( \mathrm{P} \)
(i) \( \mathrm{KMnO}_{4}, \mathrm{HO} \), heat (ii) \( \mathrm{H}^{*}, \mathrm{H}_{2} \mathrm{O} \)
W
P.
1. Scheme I
Q.
(i) \( \mathrm{Sn} / \mathrm{HCl} \) (ii) \( \mathrm{CH}_{3} \mathrm{COCl} \) (iii) conc. \( \mathrm{H}_{2} \mathrm{SO}_{\text {, }} \) ? \( \stackrel{\text { (iv) } \mathrm{HNO}_{3}(\mathrm{v}) \text { dil. } \mathrm{H}_{2} \mathrm{SO}_{4} \text {, heat (vi) } \mathrm{HO}^{\ominus}}{\longrightarrow} \mathrm{C}_{4} \mathrm{H}_{4} \mathrm{~N}_{2} \mathrm{O}_{2}, 2 \) Scheme II
\( \mathrm{R} \)
3. Scheme III
\( \mathrm{S} \).
(i) conc. \( \mathrm{H}_{2} \mathrm{SO}_{4}, 60^{\circ} \mathrm{C} \)
(ii) conc. \( \mathrm{HNO}_{3} \), conc. \( \mathrm{H}_{2} \mathrm{SO}_{4} \) (iii) di. \( \mathrm{H}_{2} \mathrm{SO}_{4} \), heat \( \longrightarrow \mathrm{C}_{6} \mathrm{H}_{3} \mathrm{NO}_{4} \quad \) 4. Scheme IV
Code:
[JEE Advanced-2014]
\( \begin{array}{llll}\mathrm{P} & \mathrm{Q} & \mathrm{R} & \mathrm{S} \\ \text { (a) } 1 & 4 & 2 & 3\end{array} \)
(b) \( \begin{array}{llll}3 & 1 & 4 & 2\end{array} \)
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