Which of the following reagents turns wh...

Which of the following reagents turns white precipitate of `AgCl` yellow?

A

`NaNO_(3)`

B

`Na_(3)AsO_(3)`

C

`Na_(3)AsO_(4)`

D

`NaCN`

Verified by Experts

The correct Answer is:

B

`3AgCl+Na_(3)AsO_(3)toAg_(3)AsO_(3)darr("yellow")+3Cl^(-)+3Na^(+)`
`AsO_(4)^(3-)+3Ag^(+)toAg_(3)AsO_(4)darr`(brownish-red)

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