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The K(sp) of Ag(2)CrO(4),AgCl,AgBr and A...

The `K_(sp)` of `Ag_(2)CrO_(4),AgCl,AgBr` and AgI are respectively, `1.1xx10^(-12),1.8xx10^(-10),5.0xx10^(-13),8.3xx10^(-17)`. Which one of the following salts will precipitate last if `AgNO_(3)` solution is added to the solution containing equal moles of NaCl,NaBr,NaI and `Na_(2)CrO_(4)` ?

A

`AgBr`

B

`Ag_(2)CrO_(4)`

C

`Agl`

D

`AgCI.`

Text Solution

Verified by Experts

The correct Answer is:
B
the salt with maxium `K_(sp)` value will be precipitated last.
Therefore `AgCI (K_(sp) = 1.8 xx 10^(-10))` will be precipitated last .
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