An aqueous solution of ' X ' gives white precipitate with dilute H 2 SO 4 . The same solution with a few drops of aqueous KI gives golden yellow precipitate which dissolves on heating or

Question

An aqueous solution of ' X ' gives white precipitate with dilute $H_{2} SO_{4}$ . The same solution with a few drops of aqueous KI gives golden yellow precipitate which dissolves on heating or on adding excess KI. The salt X is

Options:

Answer:

C

Solution:

$PbSO_{4}$ white, $PbI_{2}$ is yellow dissolved in excess KI due to formation of $PbI_{4}^{2 -}$

TestHub · Accepted Answer

PbSO 4 ​ white, PbI 2 ​ is yellow dissolved in excess KI due to formation of PbI 4 2 − ​

Chemistry - Salt Analysis Question with Solution | TestHub

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Doubts & Discussion

JEE Advanced (2028)