The only cations present in a slightly acidic solutio are $F e^{3 +}, Z n^{2 +}$ and $C u^{2 +}$ . The reagent that when added in excess to this solution would identify and separate $F e^{3 +}$ in one step is :

2 M H C l

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6 M N H_{3}

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6 M N a O H

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H_{2} S g a s

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Solution

The correct option is C $6 M N H_{3}$
The only cations present in a slightly acidic solution are $F e^{3 +}, Z n^{2 +}$ and $C u^{2 +}$ . The reagent that when added in excess to this solution would identify and separate $F e^{3 +}$ in one step is $6 M N H_{3}$ .
$F e^{3 +}$ reacts with $6 M N H_{3}$ to form reddish $F e (O H)_{3}$ .

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The only cations present in a slightly acidic solution are $F e^{3 +}, Z n^{2 +} a n d C u^{2 +}$ . The reagent, added in excess to this solution, that would identify and separate $F e^{3 +}$ in one step is:

The only cations present in a slightly acidic solution are $F e^{3 +}, Z n^{2 +}$ and $C u^{2 +}$ . The reagent that when added in excess of this solution would identify and separate $F e^{3 +}$ in one step is: