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Which relation involve iodometric titrat...

Which relation involve iodometric titration?

A

`2Na_(2)S_(2)O_(3)+I_(2)toNa_(2)S_(4)O_(6)+2NaI`

B

`2MNO_(4)^(-)+2I^(-)+16^(+)to2Mn^(+2)+8H_(2)O+5I_(2)`

C

`Na_(3)AsO_(3)+I_(2)+H_(2)OtoNa_(3)AsO_(4)+2HI`

D

`Cr_(2)O_(7)^(-2)+14H^(+)+5I^(-)to2Cr^(+3)+7H_(2)O+3I_(2)`

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The correct Answer is:
A, C, D
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