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 :

List I

List II

P.

$P b O_{2} + H_{2} S O_{4} ? \to P b S O_{4} + O_{2} + other product$

1.

$N O$

Q.

$N a_{2} S_{2} O_{3} + H_{2} O ? \to N a H S O_{4} + other product$

2.

$I_{2}$

R.

$N_{2} H_{4} ? \to N_{2} + other product$

3.

$Warm$

S.
$X e F_{2} ? \to X e + other product$
4.

$C l_{2}$

Codes

P

Q

R

S

(A)

4

2

3

1

(B)

3

2

1

4

(C)

1

4

2

3

(D)

3

4

2

1

(D)

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(A)

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(C)

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Solution

The correct option is A $(D)$
$(P) 2 P b O_{2} + 2 H_{2} S O_{4} Warm - --- \to 2 P b S O_{4} + 2 H_{2} O + O_{2}$
$(Q) N a_{2} S_{2} O_{3} + 5 H_{2} O + 4 C l_{2} \to 2 N a H S O_{4} + 8 H C l$
$(R) N_{2} H_{4} + 2 l_{2} \to N_{2} + 4 H I$
$(S) X e F_{2} + 2 N O \to X e + 2 N O F$

Suggest Corrections

Similar questions

\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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	List I		List II
P.	$P b O_{2} + H_{2} S O_{4} ? \to P b S O_{4} + O_{2} + other product$	1.	$N O$
Q.	$N a_{2} S_{2} O_{3} + H_{2} O ? \to N a H S O_{4} + other product$	2.	$I_{2}$
R.	$N_{2} H_{4} ? \to N_{2} + other product$	3.	$Warm$
S.	$X e F_{2} ? \to X e + other product$	4.	$C l_{2}$