1.

Which of the statement 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 colour PREFERRED over `K_(2)Cr_(2)O_(7)` in volmetric analysis

Solution :`Na_(2)Cr_(2)O_(7)` is hydrophilic in nature and hence `K_(2)Cr_(2)O_(7)` is more appropriate in volumetric analysis.


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