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Question

What is the oxidation state of sulphur in Na2 S2O3?

A
2
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B
4
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C
1
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D
5
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E
6
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Solution

The correct option is A 2
The oxidation state of sulphur in Na2 S2O3 is +2.
Let, X be the oxidation state of sulphur.
2(+1)+2(X)+3(2)=02+2X6=02X=4X=+2

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