During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty in NH 4 OH solution when sodium carbonate extract was first acidified with

Question

During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty in $NH_{4} OH$ solution when sodium carbonate extract was first acidified with dil. $HNO_{3}$ and then $AgNO_{3}$ solution was added. This indicates presence of :

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Answer:

A

Solution:

$Ag^{+} + I^{-} \to AgI Ag^{+} + Cl^{-} \to AgCl Ag^{+} + Br^{-} \to AgBr Yellow ppt. White ppt Pale yellow ppt$

TestHub · Accepted Answer

Ag + + I − → AgI Ag + + Cl − → AgCl Ag + + Br − → AgBr ​ Yellow ppt. White ppt Pale yellow ppt ​

Chemistry - Salt Analysis Question with Solution | TestHub

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