Which of the statements is not true?

1.	Which of the statements is not true?
Answer» `K_(2)Cr_(2)O_(7)` solution in acidic MEDIUM is orange `K_(2)Cr_(2)O_(7)` solution BECOMES yellow on increasing the PH BEYOND 7 On passing `H_(2)S` through acidified `K_(2)Cr_(2)O_(7)` solution, a milky color is observed `Na_(2)Cr_(2)O` is perferred over `K_(2)Cr_(2)O_(7)` in VOLUMETRIC analysis In the replacement reaction Answer :D

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