Excess of concentrated sodium hydroxide can separate mixture ofA. `Al^(3+)` and `Cr^(3+)`B. `Cr^(3+)` and `Fe^(3+)`C. `Al^(3+)` and `Zn^(3+)`D. `Zn^(2+)` and `Pb^(2+)`

Excess of concentrated sodium hydroxide can separate mixture ofA. `Al^

1.	Excess of concentrated sodium hydroxide can separate mixture ofA. `Al^(3+)` and `Cr^(3+)`B. `Cr^(3+)` and `Fe^(3+)`C. `Al^(3+)` and `Zn^(3+)`D. `Zn^(2+)` and `Pb^(2+)`
Answer» Correct Answer - b `AI^(2+),Zn^(2+) and Cr^(2+)` form a soluble complex with excess of `NaOH` whereas `Fe^(2+)` does not

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Excess of concentrated sodium hydroxide can separate mixture ofA. `Al^(3+)` and `Cr^(3+)`B. `Cr^(3+)` and `Fe^(3+)`C. `Al^(3+)` and `Zn^(3+)`D. `Zn^(2+)` and `Pb^(2+)`

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