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JEE Advanced 2013Paper 2
Exam
JEE Advanced
Year
2013
Paper
Paper 2
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

JEE Advanced 2013 · Paper 2 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The unbalanced chemical reactions given in List I show missing...

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
A. PbO2+H2SO4⟶?PbSO4+O2+other product{\text{PbO}}_{2} + H{}_{2}{\text{SO}}_{4}\overset{\text{?}}{⟶}{\text{PbSO}}_{4} + {\text{O}}_{2} + \text{other product} P NONO
B. Na2S2O3+H2O⟶?NaHSO4+other product{\text{Na}}_{2}S{}_{2}{\text{O}}_{3} + H{}_{2}\text{O}\overset{\text{?}}{⟶}{\text{NaHSO}}_{4} + \text{other product} Q I2{I}_{2}
C. N2H4⟶?N2+other productN{}_{2}H{}_{4}\overset{\text{?}}{⟶}N{}_{2} + \text{other product} R Warm
D. XeF2⟶?Xe+other product\text{Xe}F{}_{2}\overset{\text{?}}{⟶}\text{Xe} + \text{other product} S Cl2{Cl}_{2}

Options

  1. Aa-p;b-r;c-q;d-s;
  2. Ba-p;b-r;c-q;d-s;
  3. Ca-r;b-s;c-q;d-p;
  4. Da-r;b-q;c-s;d-p;

Correct answer

C. a-r;b-s;c-q;d-p;

Step-by-step solution

2PbO2+2H2SO4⟶Warm2PbSO4+O2+2H2O{\text{2PbO}}_{2} + 2H{}_{2}{\text{SO}}_{4}\overset{\text{Warm}}{⟶}{\text{2PbSO}}_{4} + {\text{O}}_{2} + 2{\text{H}}_{2}\text{O}
Na2S2O3+H2O⟶+Cl2NaHSO4+HCl{\text{Na}}_{2}S{}_{2}O{}_{3} + H{}_{2}O \overset{+ Cl{}_{2}}{⟶}{\text{NaHSO}}_{4} + \text{HCl}
N2H4⟶+I2N2+4HIN{}_{2}H{}_{4}\overset{+ I{}_{2}}{⟶}N{}_{2} + 4\text{HI}
XeF2⟶+NOXe+NOF\text{Xe}F{}_{2}\overset{\text{+NO}}{⟶}\text{Xe} + \text{NOF}
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