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Find out the oxidation number of Cr...

Find out the oxidation number of
` Cr " in" Cr_2 O_(7)^(2-)`

Text Solution

Verified by Experts

Let x be the oxidation number of Cr in `Cr_2 O_(7)^(2-)`
O.N. of O atom = `2 , Cr_2 O_(7)^(2-) = 2x + 7 (-2) = 2x -14`
`2x - 14 =-2 or x=+6`
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