Complete and balance the following equations.
(i) `KO_(2) + H_(2) O to ….. + O_(2)`
(ii) `NaNH_(2) + C to …… + H_(2)`
(iii) `NaOH + I_(2) to …….. NaIO_(3) + H_(2)O`
(iv) `KI + H_(2)SO_(4) + H_(2)O_(2) to I_(2) + …… H_(2)O`

Explanation

(I `4KO_(2) + 2H_(2)O to 4KOH + 2O_(2)`
(ii) `2NaNH_(2) + C overset("Heat")(to) Na_(2)CN_(2) + 2H_(2)`
(iii) `6NaOH + 3I_(2) to 5NaI + NaIO_(3) + 3H_(2)O`
(iv) `2KI + H_(2)SO_(4) + H_(2)O_(2) to I_(2) + K_(2)SO_(4) + 2H_(2)O`