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Conectrated aqueous sodium hydroxide can...

Conectrated aqueous sodium hydroxide can be a separated mixture of

A

`Al^(3+)andSn^(2+)`

B

`Al^(3+)andFe^(3+)`

C

`Al^(3+)andZn^(2+)`

D

`Zn^(2+)andPb^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
`NaOH+Al^(+3)tounderset(("soluble in NaOH"))underset("Sod.metaalumirate")(NaAlO_(2))`
`NaOH+Fe^(+3)to` No reaction (Insoluble in NaOH).
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