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Blue coloured compound are obtained when...

Blue coloured compound are obtained when

A

`Fe^(2+)` ion react with potassium ferriyanide

B

`Fe^(3+)` ion react with potassium ferrocyanide

C

`Fe^(3+)` ion react with potassium ferriyanide

D

`Fe^(2+)` ion react with potassium ferroyanide

Text Solution

Verified by Experts

The correct Answer is:
a,b
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Knowledge Check

  • Orange colour compound is obtained when benzene diazonium chloride and what .

    A
    B
    C
    D

  • When CuSO_(4) solution is treated with NH_(4)OH , a green ppt, is first formed which dissolves in exces of the reagent to give deep blue colouration. The green ppt, and deep blue coloured compound are, respectively.

    A
    `Cu_(2)O` and `Cu(OH)_(2)`
    B
    `Cu(OH)_(2)` and `[Cu(OH)_(4)]^(2-)`
    C
    `Cu(OH)_(2)` and `[Cu(NH_(3))_(4)]^(2+)`
    D
    CuO and `[Cu(NH_(3))_(6)]^(2+)`

  • When MnO_(2) is fused with KOH, a coloured compound is the product and the colour is :-

    A
    `Mn_(2)O_(4)`, black
    B
    `KMnO_(4)`, purple
    C
    `Mn_(2)O_(3)`, brown
    D
    `K_(2)MnO_(4)` green

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