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In acidic medium, CrO(4)^(2-) changes to...

In acidic medium, `CrO_(4)^(2-)` changes to

A

`Cr_(2)O_(7)^(2-)`

B

`Cr^(3+)`

C

`Cr(IV)`

D

`Cr_(2)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
In acidic condition, chromate ions are changed to dichromate ions.
`underset("Yellow")(2CrO_(4)^(2-))+2H^(+)rarrunderset("Orange")(Cr_(2)O_(7^(2-)))+H_(2)O`
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