Question:

(a) Complete the following chemical equations:
(i) NaOH(hot and conc.) + Cl₂ →
(ii) XeF₄ + O₂F₂ →
(b) Draw the structures of the following molecules :
(i) H₃PO₂
(ii) H₂S₂O₇
(iii) XeOF₄