1.

Which of the following are valid iodometric titractions?

Answer»

`HClO+2I^(-)+H^(+)rarrCl^(-)+I_(2)+H_(2)O`
`O_(3)+2I^(-)+2H^(+)rarrO_(2)+I_(2)+H_(2)O`
`2HNO_(2)+2I^(-)+2H^(+)rarrI_(2)+2NO+H_(2)O`
`8HNO_(3)+6I^(-)rarr6NO_(3)^(-)+2NO+3I_(2)+4H_(2)O`

Solution :In Iodometric titration the envolved `I_(2)` only ACTS as OXIDISING agent.


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