1.

Correct statement(s) is/are:

Answer»

an acidified solution of `K_(2)Cr_(2)O_(7)` liberates iodine from `KI`
`K_(2)Cr_(2)O_(7)` is used as a STANDARD solution for estimation of `Fe^(2+)` ions
in acidic medium, `M=N//6` for `K_(2)Cr_(2)O_(7)`
`(NH_(4))_(2)Cr_(2)O_(7)` on heating decomposes to yield `Cr_(2)O_(3)` through an EXOTHERMIC reaction

Solution :N//A


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