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A blue colouration is not obtained when...

A blue colouration is not obtained when

A

ammonium hydroxide dissolves in copper sulphate

B

copper sulphate solution reacts with `K_(4)[Fe(CN)_(6]`

C

Ferric chloride reacts with sod. Ferrocyanide.

D

anhydrous `CuSO_4` is dissolved in water.

Text Solution

Verified by Experts

The correct Answer is:
B

`2CuSO_(4) + K_(4)[Fe(CN)_6] rarr underset("Chocolate ppt")(Cu_2 [ Fe(CN)_6] + 2K_2SO_4)`
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DISHA PUBLICATION-THE D- AND F- BLOCK ELEMENTS -EXERCISE - 2 CONCEPT APPLICATOR
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  6. The dichromate ion is in cquilibrium with chromate ion in aqucous Solu...

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  7. A blue colouration is not obtained when

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  8. When potassium ferrocyanide crystals are heated with conc. sulphuric a...

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  9. Precipitate of AgCl is soluble in liquid NH(3) the compound forms

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  10. Which of the following products are obtained when Na2CO3 is added to a...

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  11. Which of the following statement is not correct?

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  13. Knowing that the chemistry of lanthanoids (Ln) is dominated by its +3 ...

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  18. The colour of the following ions V^(2), V^(3+), V^(4-) , Fe^(2+), Fe^(...

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  19. In the dichromate dianion, the nature of bonds are

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  20. AgBr dissolves in the excess of KCN and Na2S2O3 solutions due to the f...

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