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The yellow colour solution of Na2CrO4 c...

The yellow colour solution of `Na_2CrO_4` changes of orange red on passing `CO_2` gas due to the formation of :

A

`CrO_(5)`

B

`CrO_(3)`

C

`Na_(2)Cr_(2)O_(7)`

D

`Cr_(2)O_(3)`

Text Solution

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The correct Answer is:
C
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