JEE Advanced2013Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual
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. PbO 2 + H ⁡ 2 SO 4 ⟶ ? PbSO 4 + O 2 + other product P NO B. Na 2 S ⁡ 2 O 3 + H ⁡ 2 O ⟶ ? NaHSO 4 + other product Q I 2 C. N ⁡ 2 H ⁡ 4 ⟶ ?
Options
- Aa-p;b-r;c-q;d-s;
- Ba-p;b-r;c-q;d-s;
- Ca-r;b-s;c-q;d-p;
- Da-r;b-q;c-s;d-p;
Correct answer
C. a-r;b-s;c-q;d-p;
Step-by-step solution
2PbO 2   +   2 H ⁡ 2 SO 4 ⟶ Warm 2PbSO 4   +   O 2   +   2 H 2 O Na 2 S ⁡ 2 O ⁡ 3   +   H ⁡ 2 O ⁡ ⟶ + Cl ⁡ 2 NaHSO 4   +   HCl N ⁡ 2 H ⁡ 4 ⟶ + I ⁡ 2 N ⁡ 2   +   4 HI Xe F ⁡ 2 ⟶ +NO Xe  +   NOF