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Which of the following is formed when CO...

Which of the following is formed when `CO_(2)` gas is passed through an aqueous solution of sodium chromate ?

A

`Cr(OH)_(3)` is precipitated

B

Orange solution of `Na_(2)Cr_(2)O_(7)` is formed

C

Yellow solution of `Cr_(2)(CO_(3))_(2)` is formed

D

No reaction.

Text Solution

Verified by Experts

The correct Answer is:
2
`CO_(2)` makes the solution acidic. Under acidic conditions, `Na_(2)CrO_(4)` is converted into `Na_(2)Cr_(2)O_(7)`
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