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Dichromate ions in alkaline medium exist...

Dichromate ions in alkaline medium exist as

A

`CrO_(4)^(2-)`

B

`CrO_(3)`

C

`Cr^(3+)`

D

`Cr^(4+)`

Text Solution

Verified by Experts

The correct Answer is:
A
`2OH^(-)+Cr_(2)O_(7)^(2-)rarr2CrO_(4)^(2-)+H_(2)O`
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