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Thiosulphate reacts differently with iod...

Thiosulphate reacts differently with iodine and bromine in the reactions given below
`2S_(2)O_(3)^(2-) +I_(2)rarrS_(4)O_(6)^(2-)+2I^(-)`
`S_(2)O_(3)^(2-)+2Br_(2)+5H_(2)O rarr 2SO_(4)^(2-) +2Br^(-) +10H^(+)`
Which of the following statements in correct ?

A

a. Bromine is a stronger oxidant than iodine

B

b. Bromine is a weaker oxidant than iodine

C

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

D

d. Bromine undergoes oxidation and iodine undergoes reduction in these reactions

Text Solution

Verified by Experts

The correct Answer is:
A
`Br_2` is strong oxidant than`I_2`
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In the redox reaction 2S_(2)O_(3)^(2-)+I_(2) rarrS_(4)O_(6)^(2-)+2I^(-)

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