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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 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
QThe metal rod Mis

A

Fe

B

Cu

C

Ni

D

Co

Text Solution

Verified by Experts

(B)`underset(M)(Cu)+underset(N)(2agNO_(3))toCu underset(Blue)((NO_(3))_(2))+2Ag`
While Cu partially oxidizes to `Cu(NO_(3))_(2)`, and remaining `AgNO_(3)` reacts with NacI
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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 NaCI to the blue solution gives a white precipitate O. Addition of aqueous NH_(3) dissolves O and gives an intense blue solution. The metal rod M is:

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

  • 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`

  • 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 QThe compound N is

    A
    `AgNO_(3)`
    B
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    C
    `Al(NO_(3))_(3)`
    D
    `Pb(NO_(3))_(2)`

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