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Cr)(3) dissolved in aqueous NaOH to give...

`Cr)_(3)` dissolved in aqueous `NaOH` to give:

A

`CrO_(4)^(2-)`

B

`Cr(OH)_(3)`

C

`Cr_(2)O_(7)^(2-)` ions is reduced to `Cr`

D

`Cr(OH)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`CrO_(3)` is an acidic oxide and reacts with `NaOH` forming salt.
`CrO_(3)+2NaOH to Na_(2)CrO_(4)+H_(2)O.`
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