1.

Na_(2)S_(2)O_(3) is oxidised by I_(2) to

Answer»

`Na_(2)S`
`Na_(2)SO_(4)`
`NaHSO_(3)`
`Na_(2)S_(4)O_(6)`

Solution :`2 Na_(2)S_(2)O_(3) + I_(2) rarr 2 NAI + Na_(2)S_(4)O_(6)`


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