The unbalanced chemical reactions given in List-I show missing reagent or condition which are provided in List-II. Match List-I with List-II and select the correct answer using the code given below the lists.

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Solution

(A) $P b O_{2} + H_{2} S O_{4} Δ - \to P b S O_{4} + H_{2} O + \frac{1}{2} O_{2}$

(B) $2 N a_{2} S_{2} O_{3} + C l_{2} + 2 H_{2} O \to 2 N a C l + 2 N a H S O_{4} + 2 S$

(C) $N_{2} H_{4} + 2 I_{2} \to N_{2} + 4 H I$

(D) $X e F_{2} + 2 N O \to X e + 2 N O F$

Hence, the correct match is: $A \to 3$ , $B \to 4$ , $C \to 2$ and $D \to 1$ .

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\begin{matrix} L i s t - I & L i s t - I I (P) P b O_{2} + H_{2} S O_{4} ? \to & (1) N O P b S O_{4} + O_{2} + o t h e r p r o d u c t (Q) N a_{2} S_{2} O_{3} + H_{2} O ? \to & (2) I_{2} N a H S O_{4} + o t h e r p r o d u c t (R) N_{2} H_{4} ? \to & (3) W a r m N_{2} + o t h e r p r o d u c t (S) X e F_{2} ? \to X e & (4) C l_{2} + o t h e r p r o d u c t \end{matrix}

\begin{matrix} L i s t - I & L i s t - I I (P) P b O_{2} + H_{2} S O_{4} ? \to & (1) N O P b S O_{4} + O_{2} + o t h e r p r o d u c t (Q) N a_{2} S_{2} O_{3} + H_{2} O ? \to & (2) I_{2} N a H S O_{4} + o t h e r p r o d u c t (R) N_{2} H_{4} ? \to & (3) W a r m N_{2} + o t h e r p r o d u c t (S) X e F_{2} ? \to X e & (4) C l_{2} + o t h e r p r o d u c t \end{matrix}

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