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Which of the following mixtures can be s...

Which of the following mixtures can be separated by using an `NH_(3)` solution?

A

`Fe^(3+)` and `Al^(3+)`

B

`Al^(3+)` and `Zn^(2+)`

C

`Sn^(2+)` and `Pb^(2+)`

D

`Cu^(2+)` and `Cd^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
`Zn^(+2)` forming soluble complex but not `ne^(+3)`
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Knowledge Check

  • Which of the following ions can be separated by using dil. HCI?

    A
    `Ag^(+)` and `Cu^(+2)`
    B
    `Ag^(+)` and `Hg^(+2)`
    C
    `Hg^(+2)` and `Cd^(+2)`
    D
    `Ag^(+)` and `Al^(+3)`

  • Which of the following mixtures can act as buffer?

    A
    `H_2CO_3 +KOH (2.5 : 1 `molar ratio)
    B
    `H_2 CO_3 +KOH (2:3` molar ratio)
    C
    `NH_4 OH+ HNO_3 ( 6: 4` molar ratio)
    D
    `NH_4 OH+ HNO_3 (3: 5 ` molar ratio )

  • Which of the following ions can be separated by using NH_(4)CI and NH_(4)OH ?

    A
    `Fe^(+3)` and `Cr^(+3)`
    B
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    C
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    D
    `Al^(+3)` and `Ba^(+2)`

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