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Which of the following paires can be sep...

Which of the following paires can be septated by `H_(2)S` in dil `HCI`?

A

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

B

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

C

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

D

`Hg^(2+)` and `Al^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
b,c,d
Both `Cu^(2+) and Cd^(2+)` are precipitate in group II by `H_(2)S` in dil HCI
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Knowledge Check

  • Which of the following pairs of ions can be separated by H_(2)S in dilute HCI?

    A
    `Bi^(3+)`, `Sn^(2+)`
    B
    `Mn^(2+), Hg^(2+)`
    C
    `Zn^(2+) Cu^(2+)`
    D
    `Cu^(2+), Cd^(2+)`

  • Which of the following pairs of ions can be separated by H_(2)S in dilute HCI?

    A
    `Bi^(3+)`, `Sn^(2+)`
    B
    `Mn^(2+), Hg^(2+)`
    C
    `Zn^(2+) Cu^(2+)`
    D
    `Cu^(2+), Cd^(2+)`

  • Which of the following can't be separated by H_(2)S in dil HCl ?

    A
    `Bi^(3+) , Mn^(2+)`
    B
    `Pb^(2+) , Hg^(2+)`
    C
    `Zn^(2+) , Cu^(2+)`
    D
    `Ni^(2+) , Cu^(2+)`

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