A solution is prepared by dissolving a s...

A solution is prepared by dissolving a solid mixture of `K_(2)C_(2)O_(4)` and `KHC_(2)O_(4)`. A 10mL portion of this solution required 10mL,0.05 M KOH solution for titration reaction. In a separate analysis 10mL ,0.06 M acidified ` KMnO_(4)` solution for titration. Which of the following are correct?

The original mixture contains `K_(2)C_(2)O_(4)` and `KHC_(2)O_(4)` in 2:1 molar ratio.

20mL of the original stock solution require 3 millimoles of acidified dichromate solution for titration

20mL of the original stock solution requires 6 milli-equivalents of acidified dichromate solution for titration

The original mixture contains `K_(2)C_(2)O_(4)` and `KHC_(2)O_(4)` in 1:2 molar ratio

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The correct Answer is:

a,c

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