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Which gives (s) yellow precipitate with ...

Which gives (s) yellow precipitate with `K_(2)CrO_(4)` ?

A

`Ba^(2+)`

B

`Cd^(2+)`

C

`Ca^(2+)`

D

`Sr^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
A
`BaCrO_(4)` is insoluble but other salt of chromates are soluble in water.
`Ba^(2+)+K_(2)CrO_(4)tounderset("yellow ppt.")(BaCrO_(4)darr)+2K^(+)`.
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