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Calculate the oxidation number of the un...

Calculate the oxidation number of the underlined element in the following molecules.
`Na_(2)ul(S_(2))O_(3)`

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`Na_(2)S_(2)O_(3)` : Suppose, the oxidation number of each S atom in `Na_(2)S_(2)O_(3)` is x. Since `Na_(2)S_(2)O_(3)` is a neutral molecule, we have
`(+1)xx2+(x)xx2+(-2)xx3=0`
or x=+2
Hence, the oxidation number of each S atom in `Na_(2)S_(2)O_(3)` is +2.
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ICSE-REDOX REACTIONS (OXIDATION AND REDUCTION)-NCERT TEXT-BOOK. EXERCISES ((With Hints and Solutions)
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