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For the redox reaction xCr(OH)(3)+YlO(...

For the redox reaction
`xCr(OH)_(3)+YlO_(3)^(-)+zOH^(-)toxCrO_(4)^(2-)+yl^(-)+5H_(2)O`the sum of the stoichiometric coefficient `(x+y+z)` is equal to

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The correct Answer is:
7
`2Cr(OH)_(3)+IO_(3)^(-)+4OH^(-)to2CrO_(4)^(2-)+I^(-)+5H_(2)O`
`x=2, =1, z=4`
`:. x+y+z=2+1+4=7`
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