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The yellow colour solution of Na(2)CrO(4...

The yellow colour solution of `Na_(2)CrO_(4)` changes to orange red on passing `CO_(2)` gas due to the formation of :-

A

`CrO_(5)` and `H_(2)O`

B

`CrO_(3)`

C

`Na_(2)Cr_(2)O_(7)` is not an oxidizing agent

D

`Cr_(2)O_(30`

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The correct Answer is:
C
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