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Oxidation of thisulphate `(S_(2)O_(3)^(2-))` ion by iodine gives
A. `S_4 O_6^(2-)`
B. `S_2O_6^(2-)`
C. `SO_4^(2-)`
D. `SO_3^(2-)`

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Best answer
Correct Answer - C
`underset("Sulphite ion")(SO_3^(2-)(aq))+H_2O (l) + I_2(s) to SO_4^(2-)(aq) + 2I^(-)(aq) +2H^(+)(aq)`

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