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Cu^(2+) ions with NH(4)OH solution gives...

`Cu^(2+)` ions with `NH_(4)OH` solution gives

A

Blue ppt.

B

Blue solution

C

Violet ppt.

D

None of these

Text Solution

Verified by Experts

`Cu^(2+) +4NH_(4)OH to underset("Deep blue solution")([Cu(NH_(3))_(4)]^(2+))+4H_(2)O`
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Knowledge Check

  • An aqueous solution containing NH_(4)Cl,FeCl_(3) and MnCl_(2) is treated with NH_4OH solution. The observation is that:

    A
    both `Fe^(3+)` and `Mn^(2+)` will precipitate as hydroxides
    B
    only will `Fe^(3+)`precipitate as hydroxide
    C
    only `Mn^(2+)` will precipitate as hydroxide
    D
    `NH_(4)Cl` will crystallize out from the solution

  • Calomel reacts with NH_(4)OH to give

    A
    `HgNH_(2)Cl`
    B
    `NH_(2)-Hg-Hg-Cl`
    C
    `Hg_(2)O`
    D
    `HgO`

  • When disodium hydrogenphosphate is added to the a salt solution of Mg^(2+) in the presence of NH_(4)OH , it gives

    A
    A white ppt.
    B
    A pink ppt.
    C
    `Mg(NH_(4))PO_(4)`
    D
    `Mg(NH_(4))HPO_(4)`
    • DINESH PUBLICATION-PRINCIPLES RELATED TO PRACTICAL CHEMISTRY-Brain teasers-34
    1. Cu^(2+) ions with NH(4)OH solution gives

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