Balance the following equations by Hit and Trial Method :
(i) `SO_(2)+H_(2)S rarr S+H_(2)O`
(ii) `Al_(4)C_(3)+H_(2)Orarr Al(OH)_(3)+CH_(4)`
(iii) `KMnO_(4)+HClrarrKCl+MnCl_(2)+H_(2)O+Cl_(2)`
(iv) `KMnO_(4)+KOHrarrK_(2)MnO_(4)+MnO_(2)+O_(2)`
(v) `FeS_(2)+O_(2) rarr Fe_(2)O_(3)+SO_(2)`
(vi) `Zm+NaOH rarr Na_(2)ZnO_(2)+H_(2)`
(vii) `Na_(2)S_(2)O_(3)+I_(2) rarr Na_(2)S_(4)O_(6)+NaI`
(viii) `C_(2)H_(6)+O_(2) rarr CO_(2)+H_(2)O`
(ix) `Ca_(2)P_(2)+H_(2)O rarr Ca(OH)_(2)+PH_(3)`

Explanation