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. PbO 2 + H 2 SO 4 
PbSO 4 1. NO
+ O 2 + other product
Q. Na 2 S 2 O 3 + H 2 O 
2. I 2
NaHSO 4 + other product
R. N 2 H 4 
N 2 + other product 3. Warm
S. XeF 2 
Xe + other product 4. Cl 2
Codes :
P Q R S
Text Solution
Verified by ExpertsD
(P) 2PbO 2 + H 2 SO 4 
2PbSO 4 + O 2 + 3H 2 O
(Q) Na 2 S 2 O 3 + H 2 O 
NaHSO 4 + HCl
(R) N 2 H 4 
NaHSO 4 + HCl
(S) XeF 2 
Xe + NOF
Hence, Answer is .
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