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18 " mL of " 1.0 M Br(2) solution underg...

18 " mL of " 1.0 M `Br_(2)` solution undergoes complete disproportionation in basic medium to `Br^(The hardness of water in terms of )` and `BrO_(3)^(ɵ)`. Then the resulting solution required 45 " mL of " `As^(3+)` solution to reduce `BrO_(3)^(ɵ)` to `Br^(ɵ)`. `As^(3+)` is oxidised to `As^(5+)` which statements are correct?

A

`E_(w)(Br_(2))=M/10`

B

`E_(w)(Br_(2))=(5M)/3`

C

Molarity of `As^(+3)=0.4M`

D

Molarity of `As^(+3)=0.2M`

Text Solution

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The correct Answer is:
B, C, D
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