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In netural of faintly alkaline medium, ...

In netural of faintly alkaline medium, thiosulphate is quantitatively oxidized by `KMnO_(4)` to

A

`SO_3^(2-)`

B

`SO_4^(2-)`

C

`SO_2`

D

`SO_5^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
In neutral or weakly alkaline medium thiosulphate is quantitatively oxidized by `KMnO_4` to sulphate. According to this equation, `8MnO_4^(-)+3S_2O_3^(2-)+H_2O to 8MnO_2 +6SO_4^(2-)+2OH^(-)`
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