Complete the following chemical equations :
(i) `HgCl_(2) + PH_(3) to `
(ii) `SO_(3) + H_(2)SO_(4) to`
(iii) `XeF_(4) + H_(2)O to `
(b) Darw the structure of
(i) `(HPO_(3))_(3)`
(ii) `BrF_(3)`

Explanation

(a)
(i) `underset("Mercuric chloride")(3HgCl_(2)+2PH_(3)) to underset("Mercuric phosphide")(Hg_(3)P_(2)+6HCl)`
(ii) `underset("Sulpher trioxide")(SO_(3)+H_(2)SO_(4)) to underset("Oleum")(H_(2)S_(2)O_(7))`
(iii) `6XeF_(4) + 12H_(2)O to 4Xe + 2XeO_(3) + 24HF + 3O_(2)`
(b) (i) `(HPO_(3))` : Stucture of Cyclotrimetaphospric acid `(HPO_(3))_(3)` .

(ii) `BrF_(3)`