Complete the following equations
i) `CH_(4)+2O_(2)rarr`
ii) `2Fe^(3+)+SO_(2)+2H_(2)Orarr`
iii) `C_(12)H_(22)O_(11)+H_(2)SO_(4)" (conc)"rarr`

Explanation

(i) `CH_(4)+2O_(2)rarrCO_(2)+2H_(2)O`
(ii) `2Fe^(3+)+SO_(2)+2H_(2)Orarr 2Fe^(2+)+SO_(4)^(2-)+4H^(+)`
(iii) `C_(12)H_(22)O_(11)overset("Conc. "H_(2)SO_(4))rarr 12C+11H_(2)O`