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Which ions can be tested in a solution o...

Which ions can be tested in a solution of Mohr's salt?

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`FeSO_4.(NH_4)_2 SO_4.6H_2O` is Composition of Mohr.s salt. If is a double salt. It undergoes complete ionisation when disolved in water. Thus its aqueous solution givens test `Fe^(2+),NH_4^(+) and SO_4^(2-)` ions.
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Knowledge Check

  • Which of the following mixtures, of ions in solution can be separated by using NaOH solution?

    A
    `Fe^(+3)` and `Pb^(+2)`
    B
    `Pb^(+2)` and `Sn^(+2)`
    C
    `Zn^(+2)` and `Sn^(+2)`
    D
    `Al^(+3)` and `Cu^(+2)`

  • K_(sp) of a salt , having the general formula MX_2 in water 4xx10^(-12) The concentration of M^(2+) ions in the aqueous solution of the salt is

    A
    ` 2xx10^(-6) M`
    B
    ` 1xx10^(-4) M`
    C
    ` 1.6 xx10^(-4) M`
    D
    ` 4xx10^(-10) M`

  • Which of the following mixtures of ions in solution can be separated by using an NH_(3) solution

    A
    `Hg_(2)^(2+)` and `Ag^(+)`
    B
    `Bi^(3+)` and `Cu^(2+)`
    C
    `Ag^(+)` and `Pb^(2+)`
    D
    `Cu^(2+)` and `Cd^(2+)`

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    Which of the above statements can be tested by giving a counter example ?

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