A mixture of K(2)C(2)O(4) and KHC(2)O(4)...

A mixture of `K_(2)C_(2)O_(4)` and `KHC_(2)O_(4)` required equal volumes of `0.1 M K_(2)Cr_(2)O_(7)` for oxidation and 0.1 M NOH for neutralisation is separate titratiosn. The molar ratio of `K_(2)CrO_(4)` and `KHC_(2)O_(4)` in the mixture is

`6:1`

`1:6`

`1:3`

`3:1`

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