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The average oxidation state of sulphur i...

The average oxidation state of sulphur in `Na_(2)S_(4)O_(6)` is

A

`+6`

B

`+(3)/(2)`

C

`+(5)/(2)`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
C
Oxidation number of Na = +1
Oxidation number of O = -2
Let oxidation number of S= x
`therefore 2(On" of "Na) + 4(ON" of "S) +6(ON" of "O)=0`
`2(+1)+4x+6(-2)=0+2+4x-12=0`
`4x=+12-2`
`x=+(10)/(4)`
`rArr x=+(5)/(2)`
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Knowledge Check

  • The oxidation state of sulphur in Na_(2)S_(4)O_(6) is

    A
    `+6`
    B
    `+(3)/(2)`
    C
    `+(5)/(2)`
    D
    `-2`

  • The average oxidation state of sulphur in Na_2S_4O_6 is

    A
    `+2.5`
    B
    `+2`
    C
    `+3.0`
    D
    `+3.5`

  • The oxidation state of sulphur in H_(2)S_(2)O_(7) is

    A
    `+4`
    B
    `+6`
    C
    `+5`
    D
    `+7`

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