1.

When acidified solution of potassium dichromate is shaken with aqueous solution of ferrous sulphate then

Answer»

`Cr_(2)O_(7)^(2-)` ion is reduced to `CR^(3+)` ions
`Cr_(2)O_(7)^(2-)` ion is converted to `CrO_(4)^(2-)` ions
`Cr_(2)O_(7)^(2-)` ion is oxidised to Cr
`Cr_(2)O_(7)^(2-)` ion is oxidised to `CrO_(3)`

Answer :A


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