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MgCO(3) is not precipitated with the car...

`MgCO_(3)` is not precipitated with the carbonates of Vth group radicals in presence of `NH_(4)Cl and NH_(4)OH` because:

A

`NH_(4)NO_(3)`

B

`(NH_(3))_(2)SO_(4)`

C

`(NH_(4))_(2)CO_(3)`

D

NaCl

Text Solution

Verified by Experts

The correct Answer is:
A
`NH_(4)^(+)` ions are required to suppress the ionization of `NH_(4) OH` but sufficient to precipitate the III group radicals. `(NH_(4))_(2)SO` can't be used as `SO_(4)^(2-)` ions will precipitate `Ba^(2+)` as `BaCO_(4)` .
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