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Which of the followign metal is solution...

Which of the followign metal is solution forms a precipitate with `NaOH` which is not soluble in an excess of the base?

A

`Fe`

B

`Sn`

C

`Pb`

D

`Zn`

Text Solution

Verified by Experts

The correct Answer is:
A

Iron `(Fe)` metal in solutiion forms a red precipitate with `NaOH` and this precipitate is not solubel in an excess of the base.
`FeCl_(3)+3NaOHtounderset("red ppt.")underset("Ferric hydroxide")(Fe(OH)_(3))+3NaCl`
While the precipitate of `Sn,Pb,Zn` are soluble in the excess of base.
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