thiosulphate reacts differently with iodine and bromine
S2O32- +I2------------------- S4O62- ++2I-
S2O32- + BR2 -------------------- SO42- +Br-
correct stat
a. bromine act as stronger oxidising agent b. iodine act as stronger oxidising agent
c. thiosulphate undergo oxidation by bromine and reduction by iodine
d. thiosulphate undergo oxidation by iodine and reduction by bromine.
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