1.

Which relation involve iodimetric titration?

Answer»

`2Na_(2)S_(2)O_(3)+I_(2)rarrNa_(2)S_(4)O_(6)+2NaI`
`2MnO_(4)^(-)+2I^(-)+16H^(+)rarr2Mn^(+2)+8H_(2)O+5I_(2)`
`Na_(3)AsO_(3)+I_(2)+H_(2)OrarrNa_(3)AsO_(4)+2HI`
`Cr_(2)O_(7)^(-2)+14H^(+)+5I^(-)rarr2Cr^(+3)+7H_(2)O+3I_(2)`

Solution :`I_(2)` acts as oxidising agent.


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