1.

When ferrous oxalate is titrated against K_(2)Cr_(2)O_(7), milli equivalents of Fe^(2+),C_(2)O_(4)^(2-)andCr_(2)O_(7)in the redox reaction are X,Y and Z respectively , then :-

Answer»

`X=Y`
`X+Y=Z`
`X+2Y=Z`
`2X+6Y=6Z`

ANSWER :2


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