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Question

Iodine oxidizes S2O23 ion to:

A
SO23
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B
SO24
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C
S4O26
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D
S2
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Solution

The correct option is C S4O26

The complete reaction that oxidises S2O23 by using Iodine is

2S2O23+I2S4O26+2NaI

(+2) (+2.5)

As the oxidation number of sulphur increases, so it is oxidised.

Ans :- Option C.


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