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When a metal rod M is dipped into an aqu...

When a metal rod M is dipped into an aqueous colourless concetrated solution of compound N, the solution turns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueous `NH_3` dissolves O and gives an intense blue solution.
Q. The final solution contains.

A

`[Pb(NO_(3))_(4)]^(2+)` and `[CoCl_(4)]^(2-)`

B

`[Al(NH_(3))_(2)]^(3+)` and `[Cu(NH_(3))_(4)]^(2+)`

C

`[Al(NH_(3))_(2)]^(+)` and `[Cu(NH_(3))_(4)]^(2+)`

D

`[Al(NH_(3))_(2)]^(+)` and `[Ni(NH_(3))_(6)]^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • When a metal rod M is dipped into an aqueous colourless concentrated solution of compound N, the solution turns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueous NH_(3) dissolves O and gives an intense blue solution. The final solution contains

    A
    `[Pb(NH_(3))_(4)]^(2+)` and `[CoCl_(4)]^(2-)`
    B
    `[Al(NH_(3))_(4)]^(3+)]` and `[Cu(NH_(3))_(4)]^(2+)`
    C
    `[Ag(NH_(3))_(2)]^(+)` and `[Cu(NH_(3))_(4)]^(2+)`
    D
    `[Ag(NH_(3))_(2)]^(+)` and `[Ni(NH_(3))_(6)]^(2+)`

  • When a metal rod M is dipped into an aqueous colourless concentrated solution of compound N, the solution turns light blue. Addition of aqueous NaCI to the blue solution gives a white precipitate O. Addition of aqueous NH_(3) dissolves O and gives an intense blue solution. The final solution contains:

    A
    `[Pb(NH_(3))_(4)]^(2+)` and `[CoCI_(4)]^(2-)`
    B
    `[AI(NH_(3))_(4)]^(3+)` and `[Cu(NH_(3))_(4)]^(2+)`
    C
    `[Ag(NH_(3))_(2)]^(+)` and `[Cu(NH_(3))_(4)]^(2+)`
    D
    `[Ag(NH_(3))_(2)]^(+)` and `[Ni(NH_(3))_(6)]^(2+)`

  • When a metal rod M is dipped into an aqueous colourless concetrated solution of compound N, the solution turns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aqueous NH_3 dissolves O and gives an intense blue solution. Q. The metal rod M is

    A
    `Fe`
    B
    `Cu`
    C
    `Ni`
    D
    `Co`

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