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On adding KI to a metal salt solution, n...

On adding KI to a metal salt solution, no precipitate was observed but the salt solution gives yellow precipitate with `K_(2)CrO_(4)` in the presence of `CH_(3)COOH`. Then the salt is:

A

`Sr(NO_(3))_(2)`

B

`Pb(CH_(3)COO)_(2)`

C

`AgNO_(3)`

D

`BaCl_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
(i) `BaCl_(2)+KI to `No ppt.
(ii) `BaCl_(2(aq.))+CrO_(4)^(2-)tounderset("Yellow ppt.")(BaCrO_(4))darr` (insoluble in `CH_(3)COOH` acid)
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