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 IList II(P) PbO2 + H2SO4 PbSO4 + O2 + other product(1) NO(Q) Na2S2O3 + H2O NaHSO4 + other product(2) I2(R) N2H4 N2 + other product(3) Warm(S) XeF2 Xe + other product(4) Cl2

Engineering

Chemistry

Compounds of Halogen Family

Compound of Carbon Family New

Question

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) PbO₂ + H₂SO₄ $\overset{?}{\to}$ PbSO₄ + O₂ + other product	(1) NO
(Q) Na₂S₂O₃ + H₂O $\overset{?}{\to}$ NaHSO₄ + other product	(2) I₂
(R) N₂H₄ $\overset{?}{\to}$ N₂ + other product	(3) Warm
(S) XeF₂ $\overset{?}{\to}$ Xe + other product	(4) Cl₂

P → 3, Q → 4, R → 2, S → 1

P → 4. Q → 2, R → 3, S → 1

P → 3, Q → 2, R → 1, S → 4

P → 1, Q → 4, R → 2, S → 3

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(P) PbO₂ + H₂SO₄ $\overset{Δ}{\to}$ PbSO₄ + $\frac{1}{2}$ O₂ + H₂O

(Q) Na₂S₂O₃ + 5H₂O $\overset{4 {Cl}_{2}}{\to}$ 2NaHSO₄ + 8HCl

(R) N₂H₄ $\overset{2 I_{2}}{\to}$ N₂ + 4HI

(S) XeF₂ $\overset{2 I_{2}}{\to}$ Xe + NOF