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Thiosulphate reacts differently with iod...

Thiosulphate reacts differently with iodine and bromine in the reaction given below
`2S_(2)O_(3)^(2-) to S_(4)O_(6)^(2-)+2I^(-)`
`S_(2)O_(3)^(2-)+2Br_(2)+5H_(2)Oto2SO_(4)^(2-)+2Br^(-)+10H^(+)`
Which of the following statements justifies the above dual behaviour of thiosulphate?

A

Bromine is a stronger oxidant than iodine.

B

Bromine is a weaker oxidant than iodine.

C

Thiosulphate undergoes oxidation by bromine and reduction by iodine in these reactions.

D

Bromine undergoes oxidation and iodine undergoes reduction in these reactions.

Text Solution

Verified by Experts

The correct Answer is:
A
`Br_2` is stronger oxidising agent than `I_2`.
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