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)rarr CO_(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)+H_(2)SO_(4)" (conc) "rarr 12C+11H_(2)O`