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Cr(2)O(7)^(-2)+I^(-)+H^(+)rarrCr^(+3)+I(...

`Cr_(2)O_(7)^(-2)+I^(-)+H^(+)rarrCr^(+3)+I_(2)+H_(2)O`
The equivalent weight of the reductant in the above equation is :- (At. wt. of Cr = 52, I = 127)

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